$ cve CVE-2009-0563 JSON

CVE-2009-0563 KEV

7.8

HIGH · CVSS 3.1 · EPSS 62.8% (pctl 99)

Patch first

On CISA KEV — known exploited in the wild, due 2022-06-22.

Description

Stack-based buffer overflow in Microsoft Office Word 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Microsoft Office for Mac 2004 and 2008; Open XML File Format Converter for Mac; Microsoft Office Word Viewer 2003 SP3; Microsoft Office Word Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allows remote attackers to execute arbitrary code via a Word document with a crafted tag containing an invalid length field, aka "Word Buffer Overflow Vulnerability."

Scoring

CVSS	7.8 (HIGH, v3.1)
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS	62.83% — more likely to be exploited than 99% of all CVEs
Weakness	CWE-787
On CISA KEV	yes — remediate by 2022-06-22
Public exploit	none known
Published	2009-06-10
Last modified	2026-06-16

CISA KEV

Name	Microsoft Office Buffer Overflow Vulnerability
Added	2022-06-08
Due	2022-06-22
Vendor / product	Microsoft / Office
Ransomware use	none reported

Affected (4)

Vendor	Product
microsoft	office
microsoft	office compatibility pack
microsoft	office word viewer
microsoft	open xml file format converter

References

→ the Explorer · watch your stack · NVD