CVE-2026-50656

CVE Enrichment

CVSS: 7.0 HIGH
EPSS: 0.37%
EPSS Percentile: 29.44%
CISA KEV: Not listed

Description

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

Technical Details

CVSS Version: 3.1
CNA / NVD Source: [email protected]
Published: 17-Jun-2026 02:16
Last Modified: 13-Aug-2026 00:17
EPSS Date: 2026-10-22
CWE: CWE-59

CVSS Vector


            CVSS:3.1                            AV:L /
                            AC:H /
                            PR:L /
                            UI:N /
                            S:U /
                            C:H /
                            I:H /
                            A:H

Affected Products / Versions

microsoft / malware_protection_engine
Version / affected range: -
cpe:2.3:a:microsoft:malware_protection_engine:-:*:*:*:*:*:*:*

References

Last enrichment sync: 23-Oct-2026 00:49
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (3)

It’s assessed to be a patch bypass for CVE-2026-50656 (aka RoguePlanet). Researcher Claims FalconFlank PoC Exploits CrowdStrike Falcon for Privilege Escalation
“Microsoft has failed to properly patch the RoguePlanet vulnerability CVE-2026-50656, this PoC demonstrates a full patch bypass,” Nightmare Eclipse said. Microsoft Developing Patch for Defender ShieldBreak Zero-Day
“Microsoft has failed to properly patch the RoguePlanet vulnerability CVE-2026-50656, this PoC demonstrates a full patch bypass,” they said. ShieldBreak Exploit Reportedly Bypasses Patched Defender Flaw to Gain SYSTEM Privileges

CVE (1)

People (5)

MITRE ATT&CK (2)

Vendors (3)

Products (8)

Tools (3)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.