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CVE-2017-0261: Microsoft Office Use-After-Free Vulnerability

criticalknown exploitedpublic exploitCVE-2017-0261
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Microsoft Office contains a use-after-free vulnerability which can allow for remote code execution.

CSIRTS triage

vendor: Microsoftproduct: OfficeRemote code execution
What
Microsoft Office contains a use-after-free vulnerability which can allow for remote code execution.
Who is affected
Users of Microsoft Office with the affected versions.
Urgency
Immediate action is required as the vulnerability is actively exploited and rated critical.
Action
Update Microsoft Office to the latest version.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-03-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2017-0261

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-2017-0261coverage & exploitation statusNVD · CVE.org

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