Microsoft · Security update · January 13, 2026
KB5073698: January 2026 security update
KB5073698, released January 13, 2026, fixes 36 CVEs across 2 products. One of them is being exploited (CVE-2026-20805); 1 on CISA KEV. Patch Radar priority: Patch now.
Patch now1 on CISA KEV2 publicly disclosed
CVEs closed
36
None rated Critical
Exploited
1
CVE-2026-20805
Exploitation more likely
7
Microsoft's assessment
Highest EPSS
0.1979
97th percentile
Priority of the 36 CVEs
Patch now 1
Urgent 7
High 16
Routine 12
Applies to
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Patch now | CVE-2026-20805 | Desktop Window Manager | Information Disclosure | 5.5 | 0.0746 | KEVExploited |
| Urgent | CVE-2026-20860 | Windows Ancillary Function Driver for WinSock | Elevation of Privilege | 7.8 | 0.0828 | More likely |
| Urgent | CVE-2026-20840 | Windows NTFS | Remote Code Execution | 7.8 | 0.0459 | More likely |
| Urgent | CVE-2026-20843 | Windows Routing and Remote Access Service (RRAS) | Elevation of Privilege | 7.8 | 0.0342 | More likely |
| Urgent | CVE-2026-20820 | Windows Common Log File System Driver | Elevation of Privilege | 7.8 | 0.0256 | More likely |
| Urgent | CVE-2026-20816 | Windows Installer | Elevation of Privilege | 7.8 | 0.0244 | More likely |
| Urgent | CVE-2026-20922 | Windows NTFS | Remote Code Execution | 7.8 | 0.0108 | More likely |
| Urgent | CVE-2023-31096 | Agere Windows Modem Driver | Elevation of Privilege | 7.8 | 0.0048 | DisclosedMore likely |
| High | CVE-2026-20929 | Windows HTTP.sys | Elevation of Privilege | 7.5 | 0.0287 | Exploitation Unlikely |
| High | CVE-2026-20875 | Windows Local Security Authority Subsystem Service (LSASS) | Denial of Service | 7.5 | 0.0154 | Exploitation Less Likely |
| High | CVE-2026-20868 | Windows Routing and Remote Access Service (RRAS) | Remote Code Execution | 8.8 | 0.0139 | Exploitation Less Likely |
| High | CVE-2026-20921 | Windows SMB Server | Elevation of Privilege | 7.5 | 0.0118 | Exploitation Unlikely |
| High | CVE-2024-55414 | Windows Motorola Soft Modem Driver | Elevation of Privilege | 7.8 | 0.0114 | Exploitation Unlikely |
| High | CVE-2026-20856 | Windows Server Update Service | Remote Code Execution | 8.1 | 0.0112 | Exploitation Less Likely |
| High | CVE-2026-20849 | Windows Kerberos | Elevation of Privilege | 7.5 | 0.0101 | Exploitation Unlikely |
| High | CVE-2026-20931 | Windows Telephony Service | Elevation of Privilege | 8.0 | 0.0085 | Exploitation Unlikely |
| High | CVE-2026-20919 | Windows SMB Server | Elevation of Privilege | 7.5 | 0.0080 | Exploitation Unlikely |
| High | CVE-2026-20926 | Windows SMB Server | Elevation of Privilege | 7.5 | 0.0080 | Exploitation Unlikely |
| High | CVE-2026-20848 | Windows SMB Server | Elevation of Privilege | 7.5 | 0.0075 | Exploitation Unlikely |
| High | CVE-2026-20934 | Windows SMB Server | Elevation of Privilege | 7.5 | 0.0075 | Exploitation Unlikely |
| High | CVE-2026-0386 | Windows Deployment Services | Remote Code Execution | 7.5 | 0.0055 | Exploitation Unlikely |
| High | CVE-2026-20940 | Windows Cloud Files Mini Filter Driver | Elevation of Privilege | 7.8 | 0.0046 | Exploitation Unlikely |
| High | CVE-2026-20831 | Windows Ancillary Function Driver for WinSock | Elevation of Privilege | 7.8 | 0.0030 | Exploitation Less Likely |
| High | CVE-2026-20869 | Windows Local Session Manager (LSM) | Elevation of Privilege | 7.0 | 0.0029 | Exploitation Less Likely |
| Routine | CVE-2026-20872 | Windows NTLM | Spoofing | 6.5 | 0.1979 | Exploitation Less Likely |
Showing 1 to 25 of 36
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