CVE-2026-21530ImportantMonitor
Windows Rich Text Edit Elevation of Privilege Vulnerability
Severity Important · Urgency Monitor
Why it matters: Important severity (CVSS 6.7)
Elevation of Privilege · Important · CVSS 6.7. Affects: Windows 10 Version, Windows Server, 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 x64-based Systems.
Affected: Windows 10 Version, Windows Server, 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 x64-based Systems
Change history
2026-06-23 · First seen