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TI-2025-33699 Aliases CVE-2025-53805GHSA-j53j-mff4-vmcg

HTTP.sys Denial of Service Vulnerability

Priority MEDIUM 42CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.

Summary

Out-of-bounds read in Windows Internet Information Services allows an unauthorized attacker to deny service over a network.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01512 74th percentileScored 2026-11-07
Fix Fixed Microsoft: 6 updates

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftWindows 11 version 22H210.0.22621.0 to before 10.0.22621.590910.0.22621.5909Patch availableCNA
MicrosoftWindows 11 version 22H310.0.22631.0 to before 10.0.22631.590910.0.22631.5909Patch availableCNA
MicrosoftWindows 11 Version 23H210.0.22631.0 to before 10.0.22631.590910.0.22631.5909Patch availableCNA
MicrosoftWindows 11 Version 24H210.0.26100.0 to before 10.0.26100.658410.0.26100.6584Patch availableCNA
MicrosoftWindows Server 202210.0.20348.0 to before 10.0.20348.417110.0.20348.4171Patch availableCNA
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0 to before 10.0.25398.184910.0.25398.1849Patch availableCNA
MicrosoftWindows Server 202510.0.26100.0 to before 10.0.26100.658410.0.26100.6584Patch availableCNA
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0 to before 10.0.26100.658410.0.26100.6584Patch availableCNA
  • Windows 11 version 22H2 VendorMicrosoft Affected 10.0.22621.0 to before 10.0.22621.5909 Fixed in 10.0.22621.5909 Patch available CNA
  • Windows 11 version 22H3 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.5909 Fixed in 10.0.22631.5909 Patch available CNA
  • Windows 11 Version 23H2 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.5909 Fixed in 10.0.22631.5909 Patch available CNA
  • Windows 11 Version 24H2 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.6584 Fixed in 10.0.26100.6584 Patch available CNA
  • Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.4171 Fixed in 10.0.20348.4171 Patch available CNA
  • Windows Server 2022, 23H2 Edition (Server Core installation) VendorMicrosoft Affected 10.0.25398.0 to before 10.0.25398.1849 Fixed in 10.0.25398.1849 Patch available CNA
  • Windows Server 2025 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.6584 Fixed in 10.0.26100.6584 Patch available CNA
  • Windows Server 2025 (Server Core installation) VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.6584 Fixed in 10.0.26100.6584 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*before 10.0.22621.5909VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*before 10.0.22631.5909VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*before 10.0.26100.6508VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*before 10.0.20348.4106VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*before 10.0.25398.1849VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*before 10.0.26100.6508VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* Versions before 10.0.22621.5909 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* Versions before 10.0.22631.5909 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* Versions before 10.0.26100.6508 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* Versions before 10.0.20348.4106 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* Versions before 10.0.25398.1849 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* Versions before 10.0.26100.6508 Vulnerable ·Microsoft

Remediation

Microsoft 6 updates

  • KB5065474
    SecurityHotpatchUpdate
    • Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.6508
    • Windows 11 Version 24H2 for x64-based Systems 10.0.26100.6508
    • Windows Server 2025 10.0.26100.6508
    • Windows Server 2025 (Server Core installation) 10.0.26100.6508
  • KB5065432
    Security Update
    • Windows Server 2022 10.0.20348.4171
    • Windows Server 2022 (Server Core installation) 10.0.20348.4171
  • KB5065431
    Security Update
    • Windows 11 Version 22H2 for ARM64-based Systems 10.0.22621.5909, 10.0.22631.5909
    • Windows 11 Version 22H2 for x64-based Systems 10.0.22621.5909, 10.0.22631.5909
    • Windows 11 Version 23H2 for ARM64-based Systems 10.0.22631.5909
    • Windows 11 Version 23H2 for x64-based Systems 10.0.22631.5909
Show 3 more Microsoft updates
  • KB5065426
    Security Update
    • Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.6584
    • Windows 11 Version 24H2 for x64-based Systems 10.0.26100.6584
    • Windows Server 2025 10.0.26100.6584
    • Windows Server 2025 (Server Core installation) 10.0.26100.6584
  • KB5065425
    Security Update
    • Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1849
  • KB5065306
    Security Hotpatch Update
    • Windows Server 2022 10.0.20348.4106
    • Windows Server 2022 (Server Core installation) 10.0.20348.4106

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Denial of Service
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Unlikely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-53805
  2. 2026-10-03 Alias added: GHSA-j53j-mff4-vmcg

References

Patch 1

  • TI-2025-24062 Windows SMB Client Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2025-24042 Internet Shortcut Files Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2024-32708 Windows Task Scheduler Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2024-29106 Windows MSHTML Platform Spoofing Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2024-19802 Windows MSHTML Platform Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2024-19751 SmartScreen Prompt Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
See all 1651 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences