CVE-2026-69414: high-severity vulnerability in Microsoft Malware Protection Engine
Microsoft Defender Elevation of Privilege Vulnerability
Published · Updated
41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 7.8epss 1.3%
from disclosure to weapon4 days
Published on NVDAug 14
1st PoC+4d
exploitation probability
1.3%top 30% of all CVEs
observed exploitation
nono source reports it
3 public exploit(s)
Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "ShieldBreak ".
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Affected products
Microsoft · Microsoft Malware Protection Enginepublic PoCs found — 3
githubgithub.com/1neptune/ShieldBreak★ 1githubgithub.com/maxprog-svg/CVE-2026-69414★ 0cve_referencegithub.com/MSNightmare/ShieldBreakunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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