Microsoft January 2026 Patch Tuesday fixes 3 zero-days, 114 flaws

Tag CVE ID CVE Title Severity Agere Home windows Modem Driver CVE-2023-31096 MITRE: CVE-2023-31096 Home windows Agere Comfortable Modem Driver Elevation of Privilege Vulnerability Essential Azure Linked Machine Agent CVE-2026-21224 Azure Linked Machine Agent Elevation of Privilege Vulnerability Essential Azure Core shared shopper library for Python CVE-2026-21226 Azure Core shared shopper library for Python Distant Code Execution Vulnerability Essential Functionality Entry Administration Service (camsvc) CVE-2026-20835 Functionality Entry Administration Service (camsvc) Info Disclosure Vulnerability Essential Functionality Entry Administration Service (camsvc) CVE-2026-20851 Functionality Entry Administration Service (camsvc) Info Disclosure Vulnerability Essential Functionality Entry Administration Service (camsvc) CVE-2026-20830 Functionality Entry Administration Service (camsvc) Elevation of Privilege Vulnerability Essential Functionality Entry Administration Service (camsvc) CVE-2026-21221 Functionality Entry Administration Service (camsvc) Elevation of Privilege Vulnerability Essential Functionality Entry Administration Service (camsvc) CVE-2026-20815 Functionality Entry Administration Service (camsvc) Elevation of Privilege Vulnerability Essential Linked Units Platform Service (Cdpsvc) CVE-2026-20864 Home windows Linked Units Platform Service Elevation of Privilege Vulnerability Essential Desktop Window Supervisor CVE-2026-20805 Desktop Window Supervisor Info Disclosure Vulnerability Essential Desktop Window Supervisor CVE-2026-20871 Desktop Home windows Supervisor Elevation of Privilege Vulnerability Essential Dynamic Root of Belief for Measurement (DRTM) CVE-2026-20962 Dynamic Root of Belief for Measurement (DRTM) Info Disclosure Vulnerability Essential Graphics Kernel CVE-2026-20836 DirectX Graphics Kernel Elevation of Privilege Vulnerability Essential Graphics Kernel CVE-2026-20814 DirectX Graphics Kernel Elevation of Privilege Vulnerability Essential Host Course of for Home windows Duties CVE-2026-20941 Host Course of for Home windows Duties Elevation of Privilege Vulnerability Essential Inbox COM Objects CVE-2026-21219 Inbox COM Objects (International Reminiscence) Distant Code Execution Vulnerability Essential Mariner CVE-2026-21444 libtpms returns mistaken initialization vector when sure symmetric ciphers are used Reasonable Mariner CVE-2025-68758 backlight: led-bl: Add devlink to provider LEDs Reasonable Mariner CVE-2025-68757 drm/vgem-fence: Repair potential impasse on launch Reasonable Mariner CVE-2025-68764 NFS: Automounted filesystems ought to inherit ro,noexec,nodev,sync flags Reasonable Mariner CVE-2025-68756 block: Use RCU in blk_mq_[un]quiesce_tagset() as an alternative of set->tag_list_lock Essential Mariner CVE-2025-68763 crypto: starfive – Accurately deal with return of sg_nents_for_len Reasonable Mariner CVE-2025-68755 staging: most: take away damaged i2c driver Reasonable Mariner CVE-2025-68759 wifi: rtl818x: Repair potential reminiscence leaks in rtl8180_init_rx_ring() Essential Mariner CVE-2025-68766 irqchip/mchp-eic: Repair error code in mchp_eic_domain_alloc() Essential Mariner CVE-2025-68753 ALSA: firewire-motu: add bounds test in put_user loop for DSP occasions Essential Mariner CVE-2025-68765 mt76: mt7615: Repair reminiscence leak in mt7615_mcu_wtbl_sta_add() Reasonable Microsoft Edge (Chromium-based) CVE-2026-0628 Chromium: CVE-2026-0628 Inadequate coverage enforcement in WebView tag Unknown Microsoft Graphics Part CVE-2026-20822 Home windows Graphics Part Elevation of Privilege Vulnerability Essential Microsoft Workplace CVE-2026-20952 Microsoft Workplace Distant Code Execution Vulnerability Essential Microsoft Workplace CVE-2026-20953 Microsoft Workplace Distant Code Execution Vulnerability Essential Microsoft Workplace CVE-2026-20943 Microsoft Workplace Click on-To-Run Elevation of Privilege Vulnerability Essential Microsoft Workplace Excel CVE-2026-20949 Microsoft Excel Safety Characteristic Bypass Vulnerability Essential Microsoft Workplace Excel CVE-2026-20950 Microsoft Excel Distant Code Execution Vulnerability Essential Microsoft Workplace Excel CVE-2026-20956 Microsoft Excel Distant Code Execution Vulnerability Essential Microsoft Workplace Excel CVE-2026-20957 Microsoft Excel Distant Code Execution Vulnerability Essential Microsoft Workplace Excel CVE-2026-20946 Microsoft Excel Distant Code Execution Vulnerability Essential Microsoft Workplace Excel CVE-2026-20955 Microsoft Excel Distant Code Execution Vulnerability Essential Microsoft Workplace SharePoint CVE-2026-20958 Microsoft SharePoint Info Disclosure Vulnerability Essential Microsoft Workplace SharePoint CVE-2026-20959 Microsoft SharePoint Server Spoofing Vulnerability Essential Microsoft Workplace SharePoint CVE-2026-20947 Microsoft SharePoint Server Distant Code Execution Vulnerability Essential Microsoft Workplace SharePoint CVE-2026-20951 Microsoft SharePoint Server Distant Code Execution Vulnerability Essential Microsoft Workplace SharePoint CVE-2026-20963 Microsoft SharePoint Distant Code Execution Vulnerability Essential Microsoft Workplace Phrase CVE-2026-20948 Microsoft Phrase Distant Code Execution Vulnerability Essential Microsoft Workplace Phrase CVE-2026-20944 Microsoft Phrase Distant Code Execution Vulnerability Essential Printer Affiliation Object CVE-2026-20808 Home windows File Explorer Elevation of Privilege Vulnerability Essential SQL Server CVE-2026-20803 Microsoft SQL Server Elevation of Privilege Vulnerability Essential Pill Home windows Consumer Interface (TWINUI) Subsystem CVE-2026-20827 Pill Home windows Consumer Interface (TWINUI) Subsystem Info Disclosure Vulnerability Essential Pill Home windows Consumer Interface (TWINUI) Subsystem CVE-2026-20826 Pill Home windows Consumer Interface (TWINUI) Subsystem Info Disclosure Vulnerability Essential Home windows Admin Heart CVE-2026-20965 Home windows Admin Heart Elevation of Privilege Vulnerability Essential Home windows Ancillary Perform Driver for WinSock CVE-2026-20831 Home windows Ancillary Perform Driver for WinSock Elevation of Privilege Vulnerability Essential Home windows Ancillary Perform Driver for WinSock CVE-2026-20860 Home windows Ancillary Perform Driver for WinSock Elevation of Privilege Vulnerability Essential Home windows Ancillary Perform Driver for WinSock CVE-2026-20810 Home windows Ancillary Perform Driver for WinSock Elevation of Privilege Vulnerability Essential Home windows Shopper-Facet Caching (CSC) Service CVE-2026-20839 Home windows Shopper-Facet Caching (CSC) Service Info Disclosure Vulnerability Essential Home windows Clipboard Server CVE-2026-20844 Home windows Clipboard Server Elevation of Privilege Vulnerability Essential Home windows Cloud Information Mini Filter Driver CVE-2026-20940 Home windows Cloud Information Mini Filter Driver Elevation of Privilege Vulnerability Essential Home windows Cloud Information Mini Filter Driver CVE-2026-20857 Home windows Cloud Information Mini Filter Driver Elevation of Privilege Vulnerability Essential Home windows Frequent Log File System Driver CVE-2026-20820 Home windows Frequent Log File System Driver Elevation of Privilege Vulnerability Essential Home windows Deployment Providers CVE-2026-0386 Home windows Deployment Providers Distant Code Execution Vulnerability Essential Home windows DWM CVE-2026-20842 Microsoft DWM Core Library Elevation of Privilege Vulnerability Essential Home windows Error Reporting CVE-2026-20817 Home windows Error Reporting Service Elevation of Privilege Vulnerability Essential Home windows File Explorer CVE-2026-20939 Home windows File Explorer Info Disclosure Vulnerability Essential Home windows File Explorer CVE-2026-20932 Home windows File Explorer Info Disclosure Vulnerability Essential Home windows File Explorer CVE-2026-20937 Home windows File Explorer Info Disclosure Vulnerability Essential Home windows File Explorer CVE-2026-20823 Home windows File Explorer Info Disclosure Vulnerability Essential Home windows Hi there CVE-2026-20852 Home windows Hi there Tampering Vulnerability Essential Home windows Hi there CVE-2026-20804 Home windows Hi there Tampering Vulnerability Essential Home windows HTTP.sys CVE-2026-20929 Home windows HTTP.sys Elevation of Privilege Vulnerability Essential Home windows Hyper-V CVE-2026-20825 Home windows Hyper-V Info Disclosure Vulnerability Essential Home windows Installer CVE-2026-20816 Home windows Installer Elevation of Privilege Vulnerability Essential Home windows Web Connection Sharing (ICS) CVE-2026-20828 Home windows rndismp6.sys Info Disclosure Vulnerability Essential Home windows Kerberos CVE-2026-20849 Home windows Kerberos Elevation of Privilege Vulnerability Essential Home windows Kerberos CVE-2026-20833 Home windows Kerberos Info Disclosure Vulnerability Essential Home windows Kernel CVE-2026-20838 Home windows Kernel Info Disclosure Vulnerability Essential Home windows Kernel CVE-2026-20818 Home windows Kernel Info Disclosure Vulnerability Essential Home windows Kernel Reminiscence CVE-2026-20809 Home windows Kernel Reminiscence Elevation of Privilege Vulnerability Essential Home windows Kernel-Mode Drivers CVE-2026-20859 Home windows Kernel-Mode Driver Elevation of Privilege Vulnerability Essential Home windows LDAP – Light-weight Listing Entry Protocol CVE-2026-20812 LDAP Tampering Vulnerability Essential Home windows Native Safety Authority Subsystem Service (LSASS) CVE-2026-20854 Home windows Native Safety Authority Subsystem Service (LSASS) Distant Code Execution Vulnerability Essential Home windows Native Safety Authority Subsystem Service (LSASS) CVE-2026-20875 Home windows Native Safety Authority Subsystem Service (LSASS) Denial of Service Vulnerability Essential Home windows Native Session Supervisor (LSM) CVE-2026-20869 Home windows Native Session Supervisor (LSM) Elevation of Privilege Vulnerability Essential Home windows Administration Providers CVE-2026-20924 Home windows Administration Providers Elevation of Privilege Vulnerability Essential Home windows Administration Providers CVE-2026-20874 Home windows Administration Providers Elevation of Privilege Vulnerability Essential Home windows Administration Providers CVE-2026-20862 Home windows Administration Providers Info Disclosure Vulnerability Essential Home windows Administration Providers CVE-2026-20866 Home windows Administration Providers Elevation of Privilege Vulnerability Essential Home windows Administration Providers CVE-2026-20867 Home windows Administration Providers Elevation of Privilege Vulnerability Essential Home windows Administration Providers CVE-2026-20861 Home windows Administration Providers Elevation of Privilege Vulnerability Essential Home windows Administration Providers CVE-2026-20865 Home windows Administration Providers Elevation of Privilege Vulnerability Essential Home windows Administration Providers CVE-2026-20858 Home windows Administration Providers Elevation of Privilege Vulnerability Essential Home windows Administration Providers CVE-2026-20918 Home windows Administration Providers Elevation of Privilege Vulnerability Essential Home windows Administration Providers CVE-2026-20877 Home windows Administration Providers Elevation of Privilege Vulnerability Essential Home windows Administration Providers CVE-2026-20923 Home windows Administration Providers Elevation of Privilege Vulnerability Essential Home windows Administration Providers CVE-2026-20873 Home windows Administration Providers Elevation of Privilege Vulnerability Essential Home windows Media CVE-2026-20837 Home windows Media Distant Code Execution Vulnerability Essential Home windows Motorola Comfortable Modem Driver CVE-2024-55414 Home windows Motorola Comfortable Modem Driver Elevation of Privilege Vulnerability Essential Home windows NDIS CVE-2026-20936 Home windows NDIS Info Disclosure Vulnerability Essential Home windows NTFS CVE-2026-20922 Home windows NTFS Distant Code Execution Vulnerability Essential Home windows NTFS CVE-2026-20840 Home windows NTFS Distant Code Execution Vulnerability Essential Home windows NTLM CVE-2026-20925 NTLM Hash Disclosure Spoofing Vulnerability Essential Home windows NTLM CVE-2026-20872 NTLM Hash Disclosure Spoofing Vulnerability Essential Home windows Distant Help CVE-2026-20824 Home windows Distant Help Safety Characteristic Bypass Vulnerability Essential Home windows Distant Process Name CVE-2026-20821 Distant Process Name Info Disclosure Vulnerability Essential Home windows Distant Process Name Interface Definition Language (IDL) CVE-2026-20832 Home windows Distant Process Name Interface Definition Language (IDL) Elevation of Privilege Vulnerability Essential Home windows Routing and Distant Entry Service (RRAS) CVE-2026-20868 Home windows Routing and Distant Entry Service (RRAS) Distant Code Execution Vulnerability Essential Home windows Routing and Distant Entry Service (RRAS) CVE-2026-20843 Home windows Routing and Distant Entry Service (RRAS) Elevation of Privilege Vulnerability Essential Home windows Safe Boot CVE-2026-21265 Safe Boot Certificates Expiration Safety Characteristic Bypass Vulnerability Essential Home windows Server Replace Service CVE-2026-20856 Home windows Server Replace Service (WSUS) Distant Code Execution Vulnerability Essential Home windows Shell CVE-2026-20834 Home windows Spoofing Vulnerability Essential Home windows Shell CVE-2026-20847 Microsoft Home windows File Explorer Spoofing Vulnerability Essential Home windows SMB Server CVE-2026-20926 Home windows SMB Server Elevation of Privilege Vulnerability Essential Home windows SMB Server CVE-2026-20921 Home windows SMB Server Elevation of Privilege Vulnerability Essential Home windows SMB Server CVE-2026-20919 Home windows SMB Server Elevation of Privilege Vulnerability Essential Home windows SMB Server CVE-2026-20927 Home windows SMB Server Denial of Service Vulnerability Essential Home windows SMB Server CVE-2026-20848 Home windows SMB Server Elevation of Privilege Vulnerability Essential Home windows SMB Server CVE-2026-20934 Home windows SMB Server Elevation of Privilege Vulnerability Essential Home windows Telephony Service CVE-2026-20931 Home windows Telephony Service Elevation of Privilege Vulnerability Essential Home windows TPM CVE-2026-20829 TPM Trustlet Info Disclosure Vulnerability Essential Home windows Virtualization-Primarily based Safety (VBS) Enclave CVE-2026-20938 Home windows Virtualization-Primarily based Safety (VBS) Enclave Elevation of Privilege Vulnerability Essential Home windows Virtualization-Primarily based Safety (VBS) Enclave CVE-2026-20935 Home windows Virtualization-Primarily based Safety (VBS) Info Disclosure Vulnerability Essential Home windows Virtualization-Primarily based Safety (VBS) Enclave CVE-2026-20819 Home windows Virtualization-Primarily based Safety (VBS) Info Disclosure Vulnerability Essential Home windows Virtualization-Primarily based Safety (VBS) Enclave CVE-2026-20876 Home windows Virtualization-Primarily based Safety (VBS) Enclave Elevation of Privilege Vulnerability Essential Home windows WalletService CVE-2026-20853 Home windows WalletService Elevation of Privilege Vulnerability Essential Home windows Win32K – ICOMP CVE-2026-20811 Win32k Elevation of Privilege Vulnerability Essential Home windows Win32K – ICOMP CVE-2026-20870 Home windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability Essential Home windows Win32K – ICOMP CVE-2026-20920 Win32k Elevation of Privilege Vulnerability Essential Home windows Win32K – ICOMP CVE-2026-20863 Win32k Elevation of Privilege Vulnerability Essential