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CVE-2012-4969

Use-after-free vulnerability in the CMshtmlEd::Exec function in mshtml.dll in Microsoft Internet Explorer 6 through 9 allows remote…

High8.1Known exploitedEPSS 80.3%
Published
Updated
Reserved
Assigned by
mitre

Description

Use-after-free vulnerability in the CMshtmlEd::Exec function in mshtml.dll in Microsoft Internet Explorer 6 through 9 allows remote attackers to execute arbitrary code via a crafted web site, as exploited in the wild in September 2012.

Exploited in the wild

CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Microsoft Internet Explorer Use-After-Free Vulnerability.

Added
8 Jun 2022
Fix due (US federal)
22 Jun 2022
Used by ransomware
Not known

Apply updates per vendor instructions.

Scores

CVSS scores of CVE-2012-4969, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1High8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Analyzed3.1High8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
80.3% · top 0.4% of all CVEs (2 Nov 2026)
CISA SSVC
Exploitation: active · Automatable: no · Technical impact: total

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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.1.

Weakness

Affected products

  • n/a

    • affected n/a

References (12)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .