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CVE-2026-50467: Microsoft Office Remote Code Execution Vulnerability

highCVSS 7.8CVE-2026-50467
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

CSIRTS triage

vendor: Microsoftproduct: Microsoft OfficeRemote code execution
What
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Who is affected
Users of Microsoft Office are affected.
Urgency
Remediation is urgent due to the high severity and potential for remote code execution.
Action
Apply the latest security patch to mitigate the vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 7.8
Published
2026-07-14
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50467

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-50467coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

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