High severity7.8NVD Advisory· Published Jul 8, 2025· Updated Jun 17, 2026
CVE-2025-48799
CVE-2025-48799
Description
Improper link resolution before file access ('link following') in Windows Update Service allows an authorized attacker to elevate privileges locally.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
21- Microsoft/Windows Server 2025 (Server Core installation)v5Range: 10.0.26100.0
cpe: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_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
Patches
Vulnerability mechanics
References
3- www.vicarius.io/vsociety/posts/cve-2025-48799-detection-script-elevation-of-privilege-vulnerability-in-windows-update-servicenvdExploitThird Party Advisory
- www.vicarius.io/vsociety/posts/cve-2025-48799-mitigation-script-elevation-of-privilege-vulnerability-in-windows-update-servicenvdExploitMitigationThird Party Advisory
- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48799nvdVendor Advisory
News mentions
0No linked articles in our index yet.