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CVE-2012-0143

40
FAUCET Score

CVE-2012-0143 is a critical memory corruption vulnerability affecting Microsoft Excel 2003 SP3 and Office 2008 for Mac, allowing remote attackers to execute arbitrary code through specially crafted spreadsheets. With a CVSS score of 9.3, it presents a high severity risk due to its network-based attack vector, medium attack complexity, and complete compromise of confidentiality, integrity, and availability. Despite its high risk score and potential impact, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
2003CPE matchmatch criteria
cpe:2.3:a:microsoft:excel:2003:sp3:*:*:*:*:*:*
2008CPE matchmatch criteria
cpe:2.3:a:microsoft:office:2008:*:mac:*:*:*:*:*

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
22.39%
Probability of exploitation in next 30 days
EPSS Percentile
97.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.2239 is in the 88th percentile among its peer group of 8,913 CVEs.

Social Chatter

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/2012/ms12-030
secunia.com / advisories/49112
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15064
securityfocus.com / bid/53374
securitytracker.com / id
us-cert.gov / cas/techalerts/TA12-129A.html
US Government Resource