What is GHSA-2jv5-2qvr-82qr?

GHSA-2jv5-2qvr-82qr is a security advisory published by GitHub Security Advisories with High severity. Memory allocation with excessive size value in Windows Local Security Authority Subsystem Service...

Which CVE IDs does GHSA-2jv5-2qvr-82qr cover?

GHSA-2jv5-2qvr-82qr covers the following CVE IDs: CVE-2026-40378. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-2jv5-2qvr-82qr?

GHSA-2jv5-2qvr-82qr has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-2jv5-2qvr-82qrHighCVSS 7.5

Memory allocation with excessive size value in Windows Local Security Authority Subsystem Service...

Vendor

GitHub Security Advisories

Published

July 14, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-40378 →

📋 Description

Memory allocation with excessive size value in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-40378
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40378
https://github.com/advisories/GHSA-2jv5-2qvr-82qr