Microsoft Office Buffer Overflow Vulnerability

Added to KEV
2022-06-08
Federal due date
2022-06-22
Vendor
Microsoft
Product
Office
EPSS
99.5th percentile (score 0.889, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2013-1331

CISA short description

Microsoft Office contains a buffer overflow vulnerability that allows remote attackers to execute code via crafted PNG data in an Office document.

Required action

Apply updates per vendor instructions.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.