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Vulnerabilities

Vulnerability · CVE-2025-53804

Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.

Published Sep 9, 2025 · catalog updated Feb 20, 2026 · Microsoft Windows Server 2012 (Server Core installation)

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-53804. EPSS is 0.66%. Act only if a listed version of Microsoft Windows Server 2012 (Server Core installation) is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.66%
Remediation
Version ranges on file
Affected products
vendor Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 <6.2.9200.25675

Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 <6.2.9200.256756.2.9200.0 <6.2.9200.25675

How to fix CVE-2025-53804

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-53804. EPSS is 0.66%. Act only if a listed version of Microsoft Windows Server 2012 (Server Core installation) is installed.

Which versions are affected?

Compare what you have installed with Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 <6.2.9200.25675 6.2.9200.0 <6.2.9200.25675. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.66%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Windows security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 9, 2025 · EUVD

    Detected

    Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.

  2. Feb 20, 2026 · EUVD

    Updated

    Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.

Sources

  • CVE.orgVulnerability recordCVE-2025-53804

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-53804

    30-day exploitation probability 0.66%

    first.org
  • EUVDVulnerability recordEUVD-2025-27326

    Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 22, 2026
  • EUVDOct 22, 2026