CVE-2026-21530
Windows Rich Text Edit Elevation of Privilege vulnerability
MSRC advisory June 9, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-21530
- Affected products
- Windows Rich Text Edit Elevation of Privilege · Microsoft Windows Rich Text Edit Elevation of Privilege · Microsoft
What happened
Added Office softwares to the Security Updates table. Customers that are running supported versions of Office are encouraged to update to the indicated versions to be protected from this vulnerability.
What it means for your business
Windows Rich Text Edit Elevation of Privilege vulnerability (CVE-2026-21530) was added to Microsoft’s security update guidance. Added Office softwares to the Security Updates table. Customers that are running supported versions of Office are encouraged to update to the indicated versions to be protected from this vulnerability. If you need help checking exposure, call (864) 335-9223.
Sources
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