CVE-2012-4782

critical
Published 2012-12-12 · Modified 2026-04-29
CVSS v3
CVSS v2
9.3
VIR risk
9.3

Description

Use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "CMarkup Use After Free Vulnerability."

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

OS impact

OSVersionStatusFixed in
windows windowsnot-affected
windows windows-not-affected

Application impact

VendorProductVersionsFixed
windows microsoftinternet_explorer9
windows microsoftinternet_explorer10

References

CWEs

CWE-399

Verify integrity in audit chain (admin only). AS-IS.