Vulnerability Intelligence Report
Microsoft Defender Elevation of Privilege Vulnerability
CVE-2026-50656
Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "RoguePlanet ".
No Active Exploit Signals
CVSS Base Score
7.8
HIGH
Exploitability:1.9
Impact Score:5.9
EPSS Probability:0.37%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-59 ↗CWE-59: Improper Link Resolution Before File Access ('Link Following')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Microsoft Malware Protection Engine | 1.1.0.0 < 1.1.26060.3008 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.368%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2026-06-05T14:33:50 |
| Published | 2026-06-16T18:01:33 |
| Patch Date | 2026-06-16 |
| Last Updated | 2026-09-24T13:44:14 |
Community Chatter & Buzz