Disclosure summary
Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "ShieldBreak ".
Source-reported weakness categories
CWE-284
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Microsoft Security Updates (CVRF) · 2026-Aug
Open original source · Updated Sep 03, 2026
Microsoft Defender Elevation of Privilege Vulnerability
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 7.8
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | Microsoft Malware Protection Engine | (MSRC status code 3) |
Vendor remediation references
- Release Notes · build 1.1.26080.3 · product IDs 11902
- Vendor guidance · product IDs 11902
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-08-14T03:00:00-04:00
MODIFIED 2026-09-03T03:00:00-04:00
INGESTED 2026-10-08T12:40:37-04:00