High7.8Microsoft Server Updated
Windows Narrator Braille Elevation of Privilege Vulnerability
CVE-2026-58635 Published Jul 14, 2026Updated by vendor Jul 14, 2026
Affected products & platforms
Microsoft ServerWindows Server
Summary
Windows Narrator Braille Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025.
Affected versions
- Windows 10 Version 1809 10.0.17763.0
- Windows 10 Version 21H2 10.0.19044.0
- Windows 10 Version 22H2 10.0.19045.0
- Windows 11 Version 24H2 10.0.26100.0
- Windows 11 Version 25H2 10.0.26200.0
- Windows 11 version 26H1 10.0.28000.0
- Windows Server 2019 10.0.17763.0
- Windows Server 2019 (Server Core installation) 10.0.17763.0
- Windows Server 2022 10.0.20348.0
- Windows Server 2025 10.0.26100.0
- Windows Server 2025 (Server Core installation) 10.0.26100.0
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
- KB5099538 (build 10.0.17763.9020)
- KB5099540 (build 10.0.20348.5386)
- KB5099539 (build 10.0.19045.7548)
- KB5099536 (build 10.0.26100.33158)
- KB5101650 (build 10.0.26100.8875)
- KB5101649 (build 10.0.28000.2525)
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Install the applicable security update for your platform: KB5099538, KB5099540, KB5099539, KB5099536, KB5101650, KB5101649 (see the Microsoft Update Catalog).
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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