What is the CVSS score of CVE-2012-4969?

CVE-2012-4969 has a CVSS 3.1 base score of 8.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 91.8%.

Is there a public PoC exploit available for CVE-2012-4969?

Yes, a public proof-of-concept exploit is available for CVE-2012-4969. Prioritise patching immediately. EPSS: 91.8%.

Is there a patch available for CVE-2012-4969?

Yes, a patch is available for CVE-2012-4969. Update the affected software to the latest version immediately.

Microsoft CVE-2012-4969

HIGH

Use After Free (CWE-416)

2012-09-18 cve@mitre.org

RCE Microsoft Use After Free Memory Corruption

8.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.1 HIGH

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Added to CISA KEV

Apr 21, 2026 - 15:31 CISA

CVE Published

Sep 18, 2012 - 10:39 cve.org

HIGH 8.1

DescriptionCVE.org

AnalysisAI

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. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. Actively exploited in the wild (cisa kev) and public exploit code available.

Technical ContextAI

This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. 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 include: Microsoft Internet Explorer. Version information: through 9.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.