Vulnerability · CVE-2025-55699
Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.
Published Oct 14, 2025 · catalog updated Feb 22, 2026 · Microsoft Windows Server 2022
Last checked Oct 26, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-55699. EPSS is 0.53%. Act only if a listed version of Microsoft Windows Server 2022 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
- CVE-2025-60709 · High
- CVE-2025-59513 · Medium
- CVE-2025-59186 · Medium
- CVE-2025-54116 · High
- CVE-2025-54094 · Medium
- Severity
- Medium5.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.53%
- Remediation
- Version ranges on file
- Affected products
- vendor Microsoft Windows Server 2022 10.0.20348.0 <10.0.20348.4294
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 2022 10.0.20348.0 <10.0.20348.429410.0.20348.0 <10.0.20348.4294
How to fix CVE-2025-55699
Upgrade
CVE-2025-55699 lists a fix boundary at 10.0.20348.4294. Compare the installed build with that boundary before you change production.
Version check
Seen in 10.0.20348.0 <10.0.20348.4294
Advisory
Open the cve_org record and follow its fix.
Official advisories
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-2025-55699. EPSS is 0.53%. Act only if a listed version of Microsoft Windows Server 2022 is installed.
Which versions are affected?
Compare what you have installed with Microsoft Windows Server 2022 10.0.20348.0 <10.0.20348.4294 10.0.20348.0 <10.0.20348.4294. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.53%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
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.
Oct 14, 2025 · EUVD
Detected
Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.
Feb 22, 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-2025-55699
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-55699
30-day exploitation probability 0.53%
first.org - EUVDVulnerability recordEUVD-2025-34322
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 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- CVE.orgOct 23, 2026
- FIRST EPSSOct 23, 2026
- EUVDOct 23, 2026