CVE-2009-0563

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.596 · 99 %ileEUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV

Likely / severe?

59.6% (99th) EPSS

CVSS 9.3 · high

Is it mine?

11 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

added 2022-06-08remediate by 2022-06-22

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

Microsoft Office Buffer Overflow Vulnerability

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."

cvss

Technical severity, 0–10. One row per scoring source.

9.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondaryexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimary

affected products (11)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
microsoft office= 2000nvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office= 2003nvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office= 2004nvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office= 2007nvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office= 2008nvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office= xpnvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office compatibility pack= 2007nvdUScpe:2.3:a:microsoft:office_compatibility_pack:*:*:*:*:*:*:*:*
microsoft office word viewerall versionsnvdUScpe:2.3:a:microsoft:office_word_viewer:*:*:*:*:*:*:*:*
microsoft office word viewer= 2003nvdUScpe:2.3:a:microsoft:office_word_viewer:*:*:*:*:*:*:*:*
microsoft open xml file format converterall versionsnvdUScpe:2.3:a:microsoft:open_xml_file_format_converter:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2009-06-10modified 2026-06-16

related (16,124)

Related entries.

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+16119 more

references (19)

External citations — patches, advisories, analysis.

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