Microsoft Windows: NULL Pointer Dereference Vulnerability
What to do: Run Windows Update and restart the PC.
- Affects
- Microsoft Windows
- Identifier
- CVE-2026-21525
- What it is
- Microsoft Windows Remote Access Connection Manager contains a NULL pointer dereference that could allow an unauthorized attacker to deny service locally.
- Official guidance
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.