CVE tracker / CVE-2025-62468
CVE-2025-62468
CVE-2025-62468 is the Windows Defender Firewall Service Information Disclosure Vulnerability. Microsoft rates it Important, CVSS 5.5. It is not in CISA's Known Exploited Vulnerabilities catalog. Published December 9, 2025.
Risk summary
Microsoft describes it: “Out-of-bounds read in Windows Defender Firewall Service allows an authorized attacker to disclose information locally.”
How to fix it
Microsoft lists 9 affected products and the update that fixes each:
- KB5071417 · fixed build 10.0.22631.6345
Windows 11 Version 23H2 for x64-based Systems, Windows 11 Version 23H2 for ARM64-based Systems - KB5071542 · fixed build 10.0.25398.2025
Windows Server 2022, 23H2 Edition (Server Core installation) - KB5072033 · fixed build 10.0.26100.7462, 10.0.26200.7462
Windows Server 2025, Windows 11 Version 24H2 for x64-based Systems, Windows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems, and 1 more
What Microsoft changed
- December 12, 2025: Corrected CVSS Privileges metric to PR:L, corrected Exploitability assessment to Expoitation More Likely, and updated FAQs. These are informational changes only.
- December 9, 2025: Information published.
Details
- Weakness
- CWE-125: Out-of-bounds Read
- Publicly disclosed (Microsoft)
- No
- Exploited (Microsoft)
- No
- Known exploited (CISA KEV)
- Not listed
- Published
- December 9, 2025
- Last revised
- December 12, 2025
Get told when this changes
Senserva Watch emails Microsoft security and patch alerts when something moves: a new exploitation report, a revised fix, a known issue. Free, one email address.
References
From Microsoft, CISA, NVD and FIRST data; the Microsoft details were read when this page was opened. Check the references above before you act.