PatchTheCVEdefender for endpoint vulnerabilities and fixes
Recent CVEs affecting defender for endpoint, with upgrade or downgrade steps. 1 tracked.
Also searched as: defenderforendpoint.
defender for endpoint has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-08-11. Highest priority: CVE-2026-54123 (score 34/100).
- CVE-2026-54123 MEDIUM 5.5 UPGRADE Exposure of sensitive information to an unauthorized actor in Microsoft Defender for Endpoint allows an author
FAQ
How do I fix defender for endpoint vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is defender for endpoint being exploited right now?
None of the tracked defender for endpoint CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which defender for endpoint CVE should I patch first?
CVE-2026-54123 currently ranks highest (34/100): Exposure of sensitive information to an unauthorized actor in Microsoft Defender for Endpoint allows an author.