CVE-2026-50656
A local attacker can exploit a vulnerability in Microsoft Malware Protection Engine and Microsoft Defender to elevate their privileges.
CSIRTS triage
- What
- A local attacker can exploit a vulnerability in Microsoft Malware Protection Engine and Microsoft Defender to elevate their privileges.
- Who is affected
- Local attackers using affected versions of Microsoft Malware Protection Engine and Microsoft Defender.
- Urgency
- Remediation is urgent due to the high severity of the privilege escalation vulnerability.
- Action
- Apply the latest security updates to Microsoft Malware Protection Engine.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Moderate exploitation risk3.4% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 87% of all EPSS-scored CVEs.
Advisory coverage (2)
- high[UPDATE] [high] Microsoft Malware Protection Engine: Vulnerability allows privilege escalationcert-bund · 2026-07-10
- highCVE-2026-50656: Microsoft Defender Elevation of Privilege Vulnerabilitymsrc · 2026-06-09
External references
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[](https://www.csirts.com/cve/CVE-2026-50656)