Microsoft Defender: Link Following Vulnerability
What to do: Run Windows Update and restart the PC.
- Affects
- Microsoft Defender
- Identifier
- CVE-2026-41091
- What it is
- Microsoft Defender contains a link following vulnerability that allows an authorized attacker to elevate privileges 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.