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Actively exploited · Published Sep 18, 2012 · Assigned by mitre

CVE-2012-4969

High 8.1 Exploited

In plain English

A high-severity use-after-free in Internet Explorer from Microsoft. Attackers are actively exploiting it in the wild (listed by CISA on June 8, 2022). The chance it is exploited in the next 30 days is estimated at 80.2% (higher than 99.6% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit. Apply updates per vendor instructions.

Severity (CVSS 3.1)8.1High
Exploit odds (30 days)80.2%top 0.4% of all CVEs
Exploited in the wildYesCISA KEV since Jun 8, 2022
Attack tooling1Metasploit

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Jun 22, 2022.

Official 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.

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References