CVE-2026-58600 PUBLISHED

HEVC Video Extensions Elevation of Privilege Vulnerability

Assigner: microsoft
Reserved: 01.07.2026 Published: 08.09.2026 Updated: 08.09.2026

Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to elevate privileges locally.

Metrics

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS Score: 7.8

Product Status

Vendor Microsoft
Product HEVC Video Extensions
Versions
  • affected from 1.0.0 to 2.4.87.0 (excl.)
Vendor Microsoft
Product HEVC Video Extensions for Licensed Applications
Versions
  • affected from 2.0.0.0 to 2.4.85.0 (excl.)
Vendor Microsoft
Product HEVC Video Extensions from Device Manufacturer
Versions
  • affected from 2.0.0.0 to 2.4.86.0 (excl.)

References

Problem Types