Vulnerability record/PUBLISHED/Published Nov 10, 2026 18:20:10 UTC

CVE-2026-88212

Use after free in Windows Network Address Translation (NAT) allows an unauthorized attacker to execute code over an adjacent network.

Base score7.5/ 10

SeverityHighCVSS 3.1

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityHigh

Attack vectorAdjacentAV

Attack complexityHighAC

Privileges requiredNonePR

User interactionNoneUI

ScopeUnchangedS

Confidentiality impactHighC

Integrity impactHighI

Availability impactHighA

Exploit maturityUnprovenE

CVSS vector stringCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

CVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.

Record context

CVE Numbering Authoritymicrosoft

Last updatedNov 11, 2026 11:47:02 UTC

PublishedNov 10, 2026 18:20:10 UTC

ReservedSep 9, 2026 22:01:13 UTC