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CVE-2026-50656 Public exploit High · 7.8 EPSS 11.2%

Microsoft Defender Elevation of Privilege Vulnerability

Microsoft · Microsoft Malware Protection Engine

Summary

Microsoft Malware Protection Engine, the component within Microsoft Defender, contains an elevation of privilege flaw involving improper link resolution before file access, which allows symbolic link following. An attacker with low-privileged local access can exploit it without any user interaction to gain elevated privileges and affect the confidentiality, integrity, and availability of the system.

Official description · CVE.org

Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "RoguePlanet ".

Breakdown
42.4 / 100
Exploited
Not confirmed
Reports
7
Tactics
0/15

Public exploit code (PoC-in-GitHub) was available 6 days before disclosure.

  1. First dated threat reportarcticwolf.com11 mo before
  2. Public exploit codePoC-in-GitHub6 days before
  3. Disclosedday 0

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

What security researchers reported

Named in 7 threat reports
7 reportsarcticwolf.com5anomali.com2Jul 2025 – Jun 2026 · 4 undated

Reports are matched by finding the exact id CVE-2026-50656 in their text; nobody has reviewed the match. One passage is shown per report, at most 320 characters, linked to the original.

Show all 7 reportsShow fewer

Also mentioned in 16 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

2 links, grouped by NVD tag
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