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CVE-2009-0563: Microsoft Office Buffer Overflow Vulnerability
Microsoft Office · in CISA KEV since 2022-06-08
2022-06-08added to KEV
2022-06-22federal remediation due date
62.83%EPSS exploit probability (30 days) 99.2th percentile
7.8 HIGHCVSS 3.1
Unknownknown ransomware use
4,746days from NVD publication to KEV
What it is
Microsoft Office contains a buffer overflow vulnerability that allows remote attackers to execute code via a Word document with a crafted tag containing an invalid length field.
Required action (CISA)
Apply updates per vendor instructions.
| CWE | CWE-119 |
|---|---|
| CVSS vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD published | 2009-06-10 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2009-0563.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.