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CVE-2008-4026

34
FAUCET Score

CVE-2008-4026 is a critical memory corruption vulnerability affecting multiple versions of Microsoft Office Word, Word Viewer, Office Compatibility Pack, Office for Mac, and Open XML File Format Converter. This flaw allows remote attackers to execute arbitrary code by enticing a user to open a specially crafted Word document containing a malformed value. With a CVSS score of 9.3, this vulnerability is highly severe, requiring medium attack complexity but allowing for complete compromise of confidentiality, integrity, and availability if successfully exploited. Despite its high severity and EPSS score, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2004CPE matchmatch criteria
cpe:2.3:a:microsoft:office:2004:*:mac:*:*:*:*:*
2008CPE matchmatch criteria
cpe:2.3:a:microsoft:office:2008:*:mac:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:microsoft:office_compatibility_pack_for_word_excel_ppt_2007:*:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:microsoft:office_compatibility_pack_for_word_excel_ppt_2007:*:sp1:*:*:*:*:*:*
2003CPE matchmatch criteria
cpe:2.3:a:microsoft:office_word_viewer:2003:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
23.39%
Probability of exploitation in next 30 days
EPSS Percentile
97.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.2339 is in the 89th percentile among its peer group of 8,914 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

docs.microsoft.com / en-us/security-updates/securitybulletins/2008/ms08-072
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5807
securitytracker.com / id
us-cert.gov / cas/techalerts/TA08-344A.html
US Government Resource
vupen.com / english/advisories/2008/3384