Is CVE-2012-2522 being actively exploited?

CVE-2012-2522 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-2522?

CVE-2012-2522 has a CVSS 2.0 base score of 9.3 (HIGH).

CVE-2012-2522

HIGH · CVSS 9.3EPSS 24.5%EU EUVD

Microsoft Internet Explorer 6 through 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing a malformed virtual function table after this table's deletion, aka "Virtual Function Table Corruption Remote Code Execution Vulnerability."

Key facts

CVSS score: 9.3 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-94
EPSS score: 24.5% (98th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-2508)
Published: August 15, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-2508 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

microsoft / internet explorer
microsoft / internet explorer
microsoft / internet explorer
microsoft / internet explorer

References

http://www.us-cert.gov/cas/techalerts/TA12-227A.html(Third Party Advisory, US Government Resource)
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-052
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15498

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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