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CVE-2026-69414 [High]

Curated 1 security research writeups, vulnerability advisories and exploitation analyses for CVE-2026-69414.

Vendor
Microsoft
Product
Windows Defender
Affected versions
All supported Windows versions (as of September 2026)
CVSS
7.8
Coverage Span
2026-09-07
Reports
1 related reports

Associated Reports & Timeline

1.
ShieldCrash: Windows Defender 0-Day PoC Bypassing ShieldBreak (CVE-2026-69414) Patch
github.com | vulnerability | High | | original ↗ | #cloud | #zero-day | #arbitrary-file-read | #microsoft
ShieldCrash: a PoC showing Microsoft's ShieldBreak fix (CVE-2026-69414) to be incomplete, achieving arbitrary file read as SYSTEM in Windows Defender on all supported Windows versions.
Why it matters: Highlights an incomplete patch in Microsoft Defender's scanning engine, allowing local unprivileged users to weaponize antivirus file inspection routines for SYSTEM-level file access.