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TI-2026-42180 Aliases CVE-2026-58600GHSA-j9hq-499p-g5xg

HEVC Video Extensions Elevation of Privilege Vulnerability

Priority LOW 36CWE-122Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00466 40th percentileScored 2026-11-07
Fix Fixed HEVC Video Extensions (Microsoft): 2.4.87.0HEVC Video Extensions for Licensed Applications (Microsoft): 2.4.85.0+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftHEVC Video Extensions1.0.0 to before 2.4.87.02.4.87.0Patch availableCNA
MicrosoftHEVC Video Extensions for Licensed Applications2.0.0.0 to before 2.4.85.02.4.85.0Patch availableCNA
MicrosoftHEVC Video Extensions from Device Manufacturer2.0.0.0 to before 2.4.86.02.4.86.0Patch availableCNA
  • HEVC Video Extensions VendorMicrosoft Affected 1.0.0 to before 2.4.87.0 Fixed in 2.4.87.0 Patch available CNA
  • HEVC Video Extensions for Licensed Applications VendorMicrosoft Affected 2.0.0.0 to before 2.4.85.0 Fixed in 2.4.85.0 Patch available CNA
  • HEVC Video Extensions from Device Manufacturer VendorMicrosoft Affected 2.0.0.0 to before 2.4.86.0 Fixed in 2.4.86.0 Patch available CNA

CPE configurations NVD · 25

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:hevc_video_extensions:*:*:*:*:*:*:*:*before 2.4.87.0VulnerableMicrosoft
cpe:2.3:a:microsoft:hevc_video_extensions_for_licensed_applications:*:*:*:*:*:*:*:*before 2.4.85.0VulnerableMicrosoft
cpe:2.3:a:microsoft:hevc_video_extensions_from_device_manufacturer:*:*:*:*:*:*:*:*before 2.4.86.0VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*all versionsRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*all versionsRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*all versionsRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*all versionsRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*all versionsRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*all versionsRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*all versionsRunning onMicrosoft
  • cpe:2.3:a:microsoft:hevc_video_extensions:*:*:*:*:*:*:*:* Versions before 2.4.87.0 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:hevc_video_extensions_for_licensed_applications:*:*:*:*:*:*:*:* Versions before 2.4.85.0 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:hevc_video_extensions_from_device_manufacturer:*:*:*:*:*:*:*:* Versions before 2.4.86.0 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* Versions all versions Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* Versions all versions Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* Versions all versions Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* Versions all versions Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* Versions all versions Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:* Versions all versions Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* Versions all versions Running on ·Microsoft
Show 15 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*all versionsRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:arm64:*all versionsRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:x64:*all versionsRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*all versionsRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*all versionsRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*all versionsRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*all versionsRunning onMicrosoft
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:x64:*all versionsRunning onMicrosoft
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:x64:*all versionsRunning onMicrosoft
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*all versionsRunning onMicrosoft
cpe:2.3:a:microsoft:hevc_video_extensions_from_device_manufacturer:*:*:*:*:*:*:*:*before 2.5.25.0VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*all versionsRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*all versionsRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*all versionsRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*all versionsRunning onMicrosoft
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:* Versions all versions Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:arm64:* Versions all versions Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:x64:* Versions all versions Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:* Versions all versions Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:* Versions all versions Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* Versions all versions Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* Versions all versions Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:x64:* Versions all versions Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:x64:* Versions all versions Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:* Versions all versions Running on ·Microsoft
  • cpe:2.3:a:microsoft:hevc_video_extensions_from_device_manufacturer:*:*:*:*:*:*:*:* Versions before 2.5.25.0 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:* Versions all versions Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:* Versions all versions Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:* Versions all versions Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:* Versions all versions Running on ·Microsoft

Remediation

  • Fix · CNA HEVC Video Extensions (Microsoft) Fixed in 2.4.87.0
  • Fix · CNA HEVC Video Extensions for Licensed Applications (Microsoft) Fixed in 2.4.85.0
  • Fix · CNA HEVC Video Extensions from Device Manufacturer (Microsoft) Fixed in 2.4.86.0

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Elevation of Privilege
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
HEVC Video ExtensionsFixed 2.4.87.0 · Security Update
HEVC Video Extensions for Licensed ApplicationsFixed 2.4.85.0 · Security Update
HEVC Video Extensions from Device ManufacturerFixed 2.4.86.0 · Security Update
HEVC Video Extensions from Device ManufacturerFixed 2.5.25.0 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-58600
  2. 2026-10-03 Alias added: GHSA-j9hq-499p-g5xg

References

Patch 1

  • TI-2022-12455 HEVC Video Extensions Remote Code Execution Vulnerability CVSS 3.1HIGH 7.8
  • TI-2022-11666 HEVC Video Extensions Remote Code Execution Vulnerability CVSS 3.1HIGH 7.8
  • TI-2022-11659 HEVC Video Extensions Remote Code Execution Vulnerability CVSS 3.1HIGH 7.8
  • TI-2022-08395 HEVC Video Extensions Remote Code Execution Vulnerability CVSS 3.1HIGH 7.8
  • TI-2022-06375 HEVC Video Extensions Remote Code Execution Vulnerability CVSS 3.1HIGH 7.8
  • TI-2022-06282 HEVC Video Extensions Remote Code Execution Vulnerability CVSS 3.1HIGH 7.8
See all 33 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences