Actively exploited · Published Mar 11, 2021 · Assigned by microsoft

CVE-2021-27059Microsoft Office Remote Code Execution Vulnerability

High 7.6 Exploited

In plain English

A high-severity security flaw in Microsoft Office 2010 Service Pack 2 from Microsoft. Attackers are actively exploiting it in the wild (listed by CISA on November 3, 2021). The chance it is exploited in the next 30 days is estimated at 6.1% (higher than 93% of all known vulnerabilities). Apply updates per vendor instructions.

Severity (CVSS 3.1)7.6High
Exploit odds (30 days)6.1%top 6.6% of all CVEs
Exploited in the wildYesCISA KEV since Nov 3, 2021
Attack toolingNoneno public tooling known

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Nov 17, 2021.

Official description

Microsoft Office Remote Code Execution Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Microsoft Office 2010 Service Pack 2 13.0.0.0 – before 14.0.7266.5000
Microsoft Microsoft Office 2013 Service Pack 1 15.0.0 – before publication
Microsoft Microsoft Office 2016 16.0.0 – before 16.0.5134.1000

References