CVE-2026-21525CISA KEV
Microsoft Windows NULL Pointer Dereference Vulnerability
CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.
CISA catalog record
Microsoft Windows Remote Access Connection Manager contains a NULL pointer dereference that could allow an unauthorized attacker to deny service locally.
- Product
- Windows
- Added to KEV
- 10 Feb 2026
- Federal remediation due
- 3 Mar 2026
- Known ransomware use
- Not reported