What is GHSA-2ww6-493v-gvfm?

GHSA-2ww6-493v-gvfm is a security advisory published by GitHub Security Advisories with Medium severity. Out-of-bounds read in Windows Local Security Authority Subsystem Service (LSASS) allows an...

Which CVE IDs does GHSA-2ww6-493v-gvfm cover?

GHSA-2ww6-493v-gvfm covers the following CVE IDs: CVE-2026-83649. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-2ww6-493v-gvfm?

GHSA-2ww6-493v-gvfm has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-2ww6-493v-gvfmMediumCVSS 6.5

Out-of-bounds read in Windows Local Security Authority Subsystem Service (LSASS) allows an...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-83649 →

📋 Description

Out-of-bounds read in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to deny service over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-83649
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83649
https://github.com/advisories/GHSA-2ww6-493v-gvfm