CVE-2013-5056: microsoft windows_7 Use After Free

Vulnerability summary

CVE-2013-5056 is a high (CVSS 9.3) Use After Free vulnerability in microsoft windows_7. EPSS estimates a 20.35% chance of exploitation in the next 30 days, higher than 97.4% of scored vulnerabilities.

Timeline

1. 11-12-2013
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

Description

Use-after-free vulnerability in the Scripting Runtime Object Library in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site that is visited with Internet Explorer, aka "Use-After-Free Vulnerability in Microsoft Scripting Runtime Object Library."

• CWE-416Use After FreeThe product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.