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Vulnerability IntelligenceMICROSOFT-CVE-2026-21530

MICROSOFT-CVE-2026-21530

MEDIUM6.7

Windows Rich Text Edit Elevation of Privilege Vulnerability

Published May 12, 2026

Modified 5 days ago

Details

Double free in Windows Rich Text Edit allows an authorized attacker to elevate privileges locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21530

CVSS Analysis

CVSS v2.0

6.7

Upstream

Ecosystems

Timeline

PublishedMay 12, 2026

ModifiedMay 14, 2026

MICROSOFT-CVE-2026-21530 | Mondoo Vulnerability Intelligence