CVE-2026-58599: HEVC Video Extensions Remote Code Execution Vulnerability
Published Sep 8, 2026
·Updated
Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code locally.
Other sources
HEVC Video Extensions Remote Code Execution Vulnerability
— Microsoft
Affected Software
29 affected componentsFixes available
Microsoft HEVC Video Extensions from Device Manufacturer<2.5.25.0
2.5.25.0
Microsoft HEVC Video Extensions from Device Manufacturer<2.4.86.0
2.4.86.0
Microsoft HEVC Video Extensions for Licensed Applications<2.4.85.0
2.4.85.0
Microsoft HEVC Video Extensions<2.4.87.0
2.4.87.0
Microsoft HEVC Video Extensions<2.4.87.0
Microsoft HEVC Video Extensions for Licensed Applications<2.4.85.0
All of the following
Microsoft HEVC Video Extensions from Device Manufacturer<2.4.86.0
Any of the following
Microsoft Windows 10 1809
Microsoft Windows 10 1809
Microsoft Windows 10 21h2
Microsoft Windows 10 21h2
Microsoft Windows 10 21h2
Microsoft Windows 10 22h2
Microsoft Windows 10 22h2
Microsoft Windows 10 22h2
Microsoft Windows 11 22h2
Microsoft Windows 11 22h2
Microsoft Windows 11 23h2
Microsoft Windows 11 23h2
Microsoft Windows 11 24h2
Microsoft Windows 11 24h2
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows Server 2025
All of the following
Microsoft HEVC Video Extensions from Device Manufacturer<2.5.25.0
Any of the following
Microsoft Windows 11 25h2
Microsoft Windows 11 25h2
Microsoft Windows 11 26h1
Microsoft Windows 11 26h1
Remediation
Event History
Sep 8, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:16 PM
Data Sourced
via MITRE·05:16 PM
DescriptionSeverity
Data Sourced
via NVD·06:17 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
Which installations should be included in the affected-product review?
Review systems with Microsoft HEVC Video Extensions from Device Manufacturer, Microsoft HEVC Video Extensions, or Microsoft HEVC Video Extensions for Licensed Applications installed.
2
Does an attacker need an account or existing privileges to exploit this issue?
No privileges are required according to the CVSS vector. Exploitation is rated as local access, so network-only reachability is not indicated by the provided data.
3
Is user interaction required for exploitation?
Yes. The CVSS vector specifies user interaction is required, although the provided data does not identify the specific action a user must take.