Actively exploited · Published May 5, 2013 · Assigned by microsoft

CVE-2013-1347

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 March 3, 2022). The chance it is exploited in the next 30 days is estimated at 77.7% (higher than 99.6% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit. Apply updates per vendor instructions.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)77.7%top 0.4% of all CVEs
Exploited in the wildYesCISA KEV since Mar 3, 2022
Attack tooling1Metasploit

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Mar 24, 2022.

Official description

Microsoft Internet Explorer 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly allocated or (2) is deleted, as exploited in the wild in May 2013.

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