ZeroDay Findings
Sign inSign up

Findings

CVE-2012-4969

Microsoft Internet Explorer Use-After-Free Vulnerability

Published Sep 18, 2012 · updated Jun 16, 2026 · microsoft internet explorer

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.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 18, 2012 · Catalog

    Detected

    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.

  2. Jun 8, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Jun 22, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Required action

Apply updates per vendor instructions.

CISA due date Jun 22, 2022

Affected

  • cpe microsoft/internet explorer6
  • cpe microsoft/internet explorer7
  • cpe microsoft/internet explorer8
  • cpe microsoft/internet explorer9
  • vendor Microsoft Internet Explorerversion unspecified

Sources

  • CISA KEVCVE-2012-4969

    Microsoft Internet Explorer contains a use-after-free vulnerability that allows remote attackers to execute code via a crafted web site.

    cisa.gov
  • CVE.orgCVE-2012-4969

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2012-4969

    30-day exploitation probability 80.3%

    first.org
  • Exploit Database21840

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Metasploit Modulesexploit_windows/browser/ie_execcommand_uaf

    Public module reference (good). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDCVE-2012-4969

    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.

    nvd.nist.gov

References