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Microsoft patches RoguePlanet Defender zero-day vulnerability

0
Medium
Vulnerability
Published: 07/09/2026 (07/09/2026, 05:42:49 UTC)
Source: Bleeping Computer

Description

Microsoft has released a security patch to address a zero-day vulnerability in Microsoft Defender known as "RoguePlanet." The vulnerability was disclosed following the June 2026 Patch Tuesday. No specific affected versions or exploitation details are provided.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/09/2026, 05:43:25 UTC

Technical Analysis

The "RoguePlanet" zero-day vulnerability affects Microsoft Defender and was publicly disclosed after the June 2026 Patch Tuesday. Microsoft has issued a security patch to remediate this vulnerability. No further technical details or affected version information are available from the provided data.

Potential Impact

The vulnerability impacts Microsoft Defender, potentially allowing attackers to exploit the zero-day flaw. However, no known exploits in the wild have been reported, and the severity is assessed as medium.

Mitigation Recommendations

A security patch has been released by Microsoft to address the RoguePlanet vulnerability. Users should apply the official update promptly to mitigate the risk. Since this is not a cloud service, remediation depends on applying the patch to affected systems. No additional mitigation guidance is provided.

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Threat ID: 6a4f34f9c9d9e3dbe390cbe8

Added to database: 07/09/2026, 05:43:21 UTC

Last enriched: 07/09/2026, 05:43:25 UTC

Last updated: 07/09/2026, 05:43:25 UTC

Views: 1

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