CVE-2026-97799

7.8High

Published 13 Oct 2026 · NVD status: Analyzed · AI triage by gemini-3.8-flash

7.8High

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None
Impact: Full C/I/A compromise
Weakness: CWE-347

Impact

A local user can elevate privileges to SYSTEM via the Windows Audio Service. The attacker needs an existing local account or low-privilege access on the target machine.

Root cause

The Windows Audio Service fails to properly verify cryptographic signatures.

Affected systems

Versions not listed — check the vendor advisory.

CVSS v3.1 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Fix & remediation

Install the relevant Microsoft security update from the vendor advisory for your Windows version; no workarounds are documented.

AI-suggested. Run it in staging first and check it against the vendor advisory. Why?

Ad · In-content banner

NVD description

Improper verification of cryptographic signature in Windows Audio Service allows an authorized attacker to elevate privileges locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97799PatchVendor Advisory

Source: nvd.nist.gov/vuln/detail/CVE-2026-97799