CVE-2025-53805 (GCVE-0-2025-53805)

Vulnerability from cvelistv5 – Published: 2025-09-09 17:01 – Updated: 2025-12-23 20:34
VLAI?
Title
HTTP.sys Denial of Service Vulnerability
Summary
Out-of-bounds read in Windows Internet Information Services allows an unauthorized attacker to deny service over a network.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
CWE
Assigner
References
Impacted products
Vendor Product Version
Microsoft Windows Server 2022 Affected: 10.0.20348.0 , < 10.0.20348.4171 (custom)
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    Microsoft Windows 11 version 22H2 Affected: 10.0.22621.0 , < 10.0.22621.5909 (custom)
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    Microsoft Windows Server 2025 (Server Core installation) Affected: 10.0.26100.0 , < 10.0.26100.6584 (custom)
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    Microsoft Windows 11 version 22H3 Affected: 10.0.22631.0 , < 10.0.22631.5909 (custom)
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    Microsoft Windows 11 Version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.5909 (custom)
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    Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) Affected: 10.0.25398.0 , < 10.0.25398.1849 (custom)
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    Microsoft Windows 11 Version 24H2 Affected: 10.0.26100.0 , < 10.0.26100.6584 (custom)
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    Microsoft Windows Server 2025 Affected: 10.0.26100.0 , < 10.0.26100.6584 (custom)
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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.