Description
Exposure of private personal information to an unauthorized actor in Microsoft Defender allows an authorized attacker to disclose information locally.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Microsoft Defender for Endpoint for Mac | 101.0.0 – < 101.26042.0020 | 101.26042.0020 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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NeseOS-Corp/CVE-2026-50657 ★ 0 · Jul 15, 2026
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 3
- WID-SEC-2026-2322 Microsoft Malware Protection Engine und Defender: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 14, 2026
- NCSC-2026-0236 Kwetsbaarheden verholpen in Microsoft Defender NCSC-NL (Netherlands) · Jul 14, 2026
- MSRC-CVE-2026-50657 Microsoft Defender for Endpoint for Mac Information Disclosure Vulnerability Microsoft Security Response Center · Jul 14, 2026
References
- Microsoft Defender for Endpoint for Mac Information Disclosure Vulnerability vendor-advisory patch