Medium severity6.7NVD Advisory· Published May 12, 2026· Updated May 14, 2026
CVE-2026-21530
CVE-2026-21530
Description
Double free in Windows Rich Text Edit allows an authorized attacker to elevate privileges locally.
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21530nvdVendor Advisory
News mentions
2- Patch Tuesday - May 2026Rapid7 Blog · May 13, 2026
- Microsoft May 2026 Patch Tuesday fixes 120 flaws, no zero-daysBleepingComputer · May 12, 2026