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CVE-2012-4969

HIGH CISA KEV

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.

Published: Sep 18, 2012 Modified: Apr 21, 2026
CWE-416 CWE-416

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: HIGH Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

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

Affected Products (4)

Vendor Product Version
microsoft internet_explorer 6
microsoft internet_explorer 7
microsoft internet_explorer 8
microsoft internet_explorer 9

References (23)

Risk Scores

CVSS Score 8.1 / 10
EPSS Score 81.72%

Top 0% most likely to be exploited

Threat Score 86.9 / 100

CISA Known Exploited

Date Added: 2022-06-08
Due Date: 2022-06-22
Required Action:

Apply updates per vendor instructions.

Data Sources

NVD CISA KEV EPSS