Microsoft Office Uninitialized Memory Use Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-03-28
• EPSS: 35% chance of exploitation in the next 30 days (higher than 98% of CVEs)

[ Description ]Official description

Microsoft Office 2013 SP1 and 2013 RT SP1 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Uninitialized Memory Use Vulnerability."

CISA: Microsoft Office allows remote attackers to execute arbitrary code via a crafted Office document.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 18 Apr 2022): Apply updates per vendor instructions.

• Patch on docs.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ References ]References

• www.securityfocus.com/bid/75016Broken LinkThird Party AdvisoryVDB Entry
• www.securitytracker.com/id/1032523Broken LinkThird Party AdvisoryVDB Entry
• docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-059PatchVendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource