CVE-2012-2543

highpriority · attend · 46EPSS 0.262 · 98 %ileEUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

26.2% (98th) EPSS

CVSS 9.3 · high

Is it mine?

6 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Stack-based buffer overflow in Microsoft Excel 2007 SP2 and SP3 and 2010 SP1; Office 2011 for Mac; Excel Viewer; and Office Compatibility Pack SP2 and SP3 allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Stack 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

v2.07.9highAV:N/AC:M/Au:N/C:C/I:C/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimary

affected products (6)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
microsoft excel= 2007nvdUScpe:2.3:a:microsoft:excel:*:*:*:*:*:*:*:*
microsoft excel= 2010nvdUScpe:2.3:a:microsoft:excel:*:*:*:*:*:*:*:*
microsoft excel viewerall versionsnvdUScpe:2.3:a:microsoft:excel_viewer:*:*:*:*:*:*:*:*
microsoft office= 2011nvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office compatibility packall versionsnvdUScpe:2.3:a:microsoft:office_compatibility_pack:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2012-11-14modified 2026-06-16

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+21023 more

references (15)

External citations — patches, advisories, analysis.

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