CVE-2026-68831
MEDIUM severity · CVSS 5.5 · CWE-552
5.5CVSS MEDIUM
Summary
Files or directories accessible to external parties in Windows Defender Firewall Service allows an authorized attacker to disclose information locally.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products we track (4)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68831 ↗