Actively exploited · Published Dec 30, 2012 · Assigned by microsoft

CVE-2012-4792

High 8.8 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 July 23, 2024). The chance it is exploited in the next 30 days is estimated at 78.8% (higher than 99.6% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, public proof-of-concept code. The impacted product is end-of-life and should be disconnected if still in use.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)78.8%top 0.4% of all CVEs
Exploited in the wildYesCISA KEV since Jul 23, 2024
Attack tooling2Metasploit, Public PoC

CISA guidance

The impacted product is end-of-life and should be disconnected if still in use.

Federal agencies must remediate by Aug 13, 2024.

Official description

Use-after-free vulnerability in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to an object that (1) was not properly allocated or (2) is deleted, as demonstrated by a CDwnBindInfo object, and exploited in the wild in December 2012.

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

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

References