CVE-2023-21809 Microsoft Defender for Endpoint Security Feature Bypass Vulnerability
Attackers can bypass Microsoft Defender for Endpoint security features, requiring users to apply vendor patches.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-21809?
CVE-2023-21809 is a high-severity vulnerability in Microsoft Defender Security Intelligence Updates, published on 14 Feb 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Microsoft Defender for Endpoint Security Feature Bypass Vulnerability
Which versions are affected by CVE-2023-21809?
It affects 1 product.
Products include Microsoft Defender Security Intelligence Updates.
How do I fix CVE-2023-21809?
No fix has been published for CVE-2023-21809 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-21809 being exploited?
There is no known exploitation of CVE-2023-21809 in the wild and no public exploit code.
Sources
Also known as GHSA-fvfp-w3v3-v2cp.