CVE-2026-97799CWE-347

CVE-2026-97799

High · published October 13, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
21.1
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00295 · 21.1th percentile
Weakness
CWE-347 · Improper Verification of Cryptographic Signature
Published
2026-10-13T23:22Z
Affected products (8)
ProductVersionsFixed in
microsoft/windows_11_24h2< 10.0.26100.971110.0.26100.9711
microsoft/windows_11_24h2< 10.0.26100.971110.0.26100.9711
microsoft/windows_11_25h2< 10.0.26200.971110.0.26200.9711
microsoft/windows_11_25h2< 10.0.26200.971110.0.26200.9711
microsoft/windows_11_26h1< 10.0.28000.323110.0.28000.3231
microsoft/windows_11_26h1< 10.0.28000.323110.0.28000.3231
microsoft/windows_11_26h2< 10.0.26300.971110.0.26300.9711
microsoft/windows_11_26h2< 10.0.26300.971110.0.26300.9711
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97799 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:35Z
    EPSS moved — → 0%
    epss
  • 13 OCT 19:01Z
    Windows Audio Service Elevation of Privilege Vulnerability
    cvelistv5
  • 13 OCT 19:01Z
    Windows Audio Service Elevation of Privilege Vulnerability
    cvelistv5