- CVE
- CVE-2026-61346
- Severity
- Important
- CVSS base score
- 7.0
- CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- Impact
- Elevation of Privilege
- Exploitation detected
- Not reported by MSRC
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
- Component
- Windows Graphics Kernel
- Weakness
- CWE-416: Use After Free
- Issued by
- Microsoft
- Customer action
- Required: apply the update
- Affected products
- Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems, Windows 10 Version 21H2 for x64-based Systems, Windows 10 Version 22H2 for 32-bit Systems, Windows 10 Version 22H2 for ARM64-based Systems, Windows 10 Version 22H2 for x64-based Systems, Windows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 23H2 for x64-based Systems, Windows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 26H1 for ARM64-based Systems, Windows 11 version 26H1 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022 (Server Core installation), Windows Server 2025, Windows Server 2025 (Server Core installation)
- Updates that fix it
- KB5120228: Windows Server 2025, Windows Server 2025 (Server Core installation) (restart required); KB5120229: Windows Server 2022, Windows Server 2022 (Server Core installation) (restart required); KB5120233: Windows Server 2025, Windows Server 2025 (Server Core installation) (restart required); KB5120238: Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation) (restart required); KB5120240: Windows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 23H2 for x64-based Systems (restart required); KB5120242: Windows Server 2022, Windows Server 2022 (Server Core installation) (restart required); KB5120249: Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems, Windows 10 Version 21H2 for x64-based Systems, Windows 10 Version 22H2 for 32-bit Systems, Windows 10 Version 22H2 for ARM64-based Systems, Windows 10 Version 22H2 for x64-based Systems (restart required); KB5120994: Windows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems (restart required); KB5121000: Windows 11 Version 26H1 for ARM64-based Systems, Windows 11 version 26H1 for x64-based Systems (restart required); KB5121003: Windows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems (restart required)
- CISA KEV
- Not listed in the collected catalog
- EPSS
- 0.3%; scored 16 Oct 2026
- Public exploit code
- No Nuclei template listed
- Published
- 11 Aug 2026 07:00 UTC
- Last revised
- 13 Aug 2026 07:00 UTC
- Revision note
- Acknowledgement Updated