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CVE-2026-50656

50
FAUCET Score

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

First published: Jun 16, 2026Last modified: Jul 8, 2026

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:microsoft:malware_protection_engine:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
10.75%
Probability of exploitation in next 30 days
EPSS Percentile
95.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.1075 is in the 99th percentile among its peer group of 16,994 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

microsoftpatch availablevia msrc
Product: Microsoft Malware Protection EngineFixed in: 1.1.26060.3008

Vendor Advisories (1)

microsoft2026-Jun/CVE-2026-50656Important

Microsoft Defender Elevation of Privilege Vulnerability

Jun 9, 2026

References

github.com / MSNightmare/RoguePlanet
Product
msrc.microsoft.com / update-guide/vulnerability/CVE-2026-50656
Vendor Advisory