Is CVE-2012-2376 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2012-2376, but active exploitation has not been confirmed.

Can CVE-2012-2376 be exploited remotely?

Yes. CVE-2012-2376 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2012-2376?

CVE-2012-2376 has a CVSS score of 10.0 (CRITICAL).

HOME VULNERABILITIESCVE-2012-2376

CRITICALPOC

CVE-2012-2376

CWE-119Published: May 21, 2012· Updated: Jun 16, 2026

10.0

CVSS v3.1

Official Description

Buffer overflow in the com_print_typeinfo function in PHP 5.4.3 and earlier on Windows allows remote attackers to execute arbitrary code via crafted arguments that trigger incorrect handling of COM object VARIANT types, as exploited in the wild in May 2012.

NVD Source

Technical Analysis

CVE-2012-2376 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2012-2376. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.