Use After Free in Microsoft Internet_explorer
CVE-2012-4792
Use-after-free vulnerability in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to an object that (1) was not properly allocated or (2) is deleted, as de…
Vulnerability class: Use-After-Free
EPSS: 0.788 (99.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Internet_explorer — versions 6, 7, 8
- Microsoft Windows_7
- Microsoft Windows_server_2003
- Microsoft Windows_server_2008
- Microsoft Windows_vista
- Microsoft Windows_xp
- N/a — versions n/a
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: The impacted product is end-of-life and should be disconnected if still in use.
Public proof-of-concept exploits
References
- secure@microsoft.com (US Government Resource, Third Party Advisory, x_refsource_CERT, third-party-advisory)
- secure@microsoft.com (x_refsource_MS, vendor-advisory, Patch, Vendor Advisory)
- secure@microsoft.com (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)
- secure@microsoft.com (Third Party Advisory, x_refsource_MISC)
- secure@microsoft.com (x_refsource_MISC, Broken Link)
- secure@microsoft.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
- secure@microsoft.com (Third Party Advisory, x_refsource_MISC)
- secure@microsoft.com (Broken Link, signature, x_refsource_OVAL, vdb-entry)
- secure@microsoft.com (US Government Resource, Third Party Advisory, x_refsource_CERT, third-party-advisory)
- secure@microsoft.com (x_refsource_MISC, Broken Link)
Frequently asked questions
- What is CVE-2012-4792?
- CVE-2012-4792 is a high-severity vulnerability in Microsoft Internet_explorer, classified under Use After Free. CVSS score: 8.8/10. Published 2012-12-30.
- How severe is CVE-2012-4792?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2012-4792 known to be exploited?
- Yes. CVE-2012-4792 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-07-23), indicating it is being actively exploited. 4 public proof-of-concept repositories are indexed.