CVE-2012-4792

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Summary

CVECVE-2012-4792
StatePUBLISHED
Assignermicrosoft
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-12-30 18:55:01 UTC
Updated2026-04-22 16:45:24 UTC
DescriptionUse-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 demonstrated by a CDwnBindInfo object, and exploited in the wild in December 2012.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

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

EPSS: 0.788230000 probability, percentile 0.995500000 (date 2026-07-21)

CISA KEV: Listed on 2024-07-23; due 2024-08-13; ransomware use Unknown

Problem Types: CWE-416 | n/a | CWE-416 CWE-416 Use After Free

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1ADPDECLARED8.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.0[email protected]Primary9.3AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:M/Au:N/C:C/I:C/A:C

CISA Known Exploited Vulnerability

VendorMicrosoft
ProductInternet Explorer
NameMicrosoft Internet Explorer Use-After-Free Vulnerability
Required ActionThe impacted product is end-of-life and should be disconnected if still in use.
Noteshttps://learn.microsoft.com/en-us/lifecycle/products/internet-explorer-11; https://nvd.nist.gov/vuln/detail/CVE-2012-4792

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Microsoft Internet Explorer 6 All All All
Application Microsoft Internet Explorer 7 All All All
Operating System Microsoft Windows Server 2003 - sp2 All All
Operating System Microsoft Windows Xp - sp2 All All
Operating System Microsoft Windows Xp - sp3 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified
ADP Microsoft Ie affected 6.0 8.0 semver Not specified

References

ReferenceSourceLinkTags
Microsoft "Fix it" available for Internet Explorer 6, 7, and 8 - Security Research & Defense - Site Home - TechNet Blogs af854a3a-2127-422b-91ae-364da2661108 blogs.technet.com Broken Link
Microsoft Internet Explorer CDwnBindInfo Object Use-After-Free ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com Third Party Advisory, VDB Entry
Microsoft Updates for Multiple Vulnerabilities | US-CERT af854a3a-2127-422b-91ae-364da2661108 www.us-cert.gov Third Party Advisory, US Government Resource
Microsoft Security Advisory (2794220): Vulnerability in Internet Explorer Could Allow Remote Code Execution af854a3a-2127-422b-91ae-364da2661108 technet.microsoft.com Patch, Vendor Advisory
US-CERT Vulnerability Note VU#154201 - Microsoft Internet Explorer CDwnBindInfo use-after-free vulnerability af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org Third Party Advisory, US Government Resource
metasploit-framework/modules/exploits/windows/browser/ie_cbutton_uaf.rb at master · rapid7/metasploit-framework · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Third Party Advisory
Malware Intelligence Lab from FireEye - Research & Analysis of Zero-Day & Advanced Targeted Threats:CFR Watering Hole Attack Details af854a3a-2127-422b-91ae-364da2661108 blog.fireeye.com Broken Link
New vulnerability affecting Internet Explorer 8 users - Security Research & Defense - Site Home - TechNet Blogs af854a3a-2127-422b-91ae-364da2661108 blogs.technet.com Broken Link
Attack and IE 0day Informations Used Against Council on Foreign Relations af854a3a-2127-422b-91ae-364da2661108 eromang.zataz.com Third Party Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog 134c704f-9b21-4f2e-91b3-4a467353bcc0 www.cisa.gov US Government Resource
US-CERT Alert TA13-015A - Microsoft Releases Update for Internet Explorer Vulnerability CVE-2012-4792 af854a3a-2127-422b-91ae-364da2661108 www.us-cert.gov Third Party Advisory, US Government Resource
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org Broken Link
Microsoft Security Bulletin MS13-008 - Critical | Microsoft Docs af854a3a-2127-422b-91ae-364da2661108 docs.microsoft.com Patch, Vendor Advisory
Just another water hole campaign using an Internet Explorer 0day - Alienvault Labs af854a3a-2127-422b-91ae-364da2661108 labs.alienvault.com Broken Link
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Additional Advisory Data

SourceTimeEvent
ADP2024-07-23T00:00:00.000ZCVE-2012-4792 added to CISA KEV

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