CVE-2022-23278 Microsoft Defender for Endpoint Spoofing Vulnerability
Attackers can spoof Microsoft Defender for Endpoint alerts, potentially bypassing security monitoring and response mechanisms.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-23278?
CVE-2022-23278 is a medium-severity vulnerability in Microsoft Defender for Endpoint EDR sensor, published on 9 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Microsoft Defender for Endpoint Spoofing Vulnerability
Which versions are affected by CVE-2022-23278?
It affects 2 products.
Products include Microsoft Defender for Endpoint, Microsoft Defender for Endpoint Edr Sensor.
How do I fix CVE-2022-23278?
No fix has been published for CVE-2022-23278 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-23278 being exploited?
There is no known exploitation of CVE-2022-23278 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Defender for Endpoint EDR sensor
- CVE-2026-21537 Microsoft Defender for Endpoint Linux Extension Remote Code Execution Vulnerability
- CVE-2024-49057 Microsoft Defender for Endpoint on Android Spoofing Vulnerability
- CVE-2025-47161 Microsoft Defender for Endpoint Elevation of Privilege Vulnerability
- CVE-2024-21315 Microsoft Defender for Endpoint Protection Elevation of Privilege Vulnerability
- CVE-2022-35828 Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability
Sources
Also known as GHSA-fwqp-wm97-mvcp.