High severity7.8NVD Advisory· Published Jul 8, 2025· Updated Jun 17, 2026
CVE-2025-47991
CVE-2025-47991
Description
Use after free in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally.
Affected products
31cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*+ 6 more
- cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*range: <10.0.14393.8246
- cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*range: <10.0.14393.8246
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*range: <10.0.19044.6093
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*range: <10.0.19045.6093
- (no CPE)range: 10.0.14393.0
- (no CPE)range: 10.0.19044.0
- (no CPE)range: 10.0.19045.0
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*+ 2 more
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*range: <10.0.17763.7558
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*range: <10.0.17763.7558
- (no CPE)range: 10.0.17763.0
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*range: <10.0.22621.5624
- cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*range: <10.0.22631.5624
- (no CPE)range: 10.0.22621.0
- (no CPE)range: 10.0.22631.0
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*range: <10.0.26100.4652
- (no CPE)range: 10.0.26100.0
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*range: <10.0.14393.8246
- (no CPE)range: 10.0.14393.0
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*range: <10.0.17763.7558
- (no CPE)range: 10.0.17763.0
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*range: <10.0.20348.3932
- (no CPE)range: 10.0.20348.0
- cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*Range: <10.0.25398.1732
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*range: <10.0.26100.4652
- (no CPE)range: 10.0.26100.0
- Range: 10.0.22631.0
- Microsoft/Windows Server 2016 (Server Core installation)v5Range: 10.0.14393.0
- Microsoft/Windows Server 2019 (Server Core installation)v5Range: 10.0.17763.0
- Microsoft/Windows Server 2022, 23H2 Edition (Server Core installation)v5Range: 10.0.25398.0
- Microsoft/Windows Server 2025 (Server Core installation)v5Range: 10.0.26100.0
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47991nvdVendor Advisory
News mentions
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