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ExploitedIn CISA KEVFix available

CVE-2012-4792

Exploitation confirmed. First attested on 2024-07-23 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2012-12-30
  • WeaknessCWE-416

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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 demonstrated by a CDwnBindInfo object, and exploited in the wild in December 2012.

Timeline

dates in UTC
  1. 2012-12-3018:55CVE publishedNVD
  2. 2024-07-23Listed as exploited by GCVEGCVE
  3. 2024-07-23Exploitation first reportedCISA KEV
  4. 2024-07-23Added to the CISA KEV catalogCISA KEV
  5. 2024-07-2303:55SSVC exploitation set to activeCISA-ADP
  6. 2026-10-2319:23First public proof of conceptPoC-in-GitHub
  7. 2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2012-4792?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2012-4792?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · CISA-ADP
Microsoft internet explorerversion to verify
BranchAffectedFixed in
6.x= 6no fix published
7.x= 7no fix published
8.x= 8no fix published
Microsoft ie
BranchAffectedFixed in
8.0≥ 6.0, ≤ 8.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. CISA’s required action: The impacted product is end-of-life and should be disconnected if still in use.due 2024-08-13

Advisories and patches

Detection

read 2026-10-23 19:23 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedWizardVan/CVE-2012-4792
PoC-in-GitHub

CISA Known Exploited Vulnerability

Date Added
2024-07-23
Patch Due Date
2024-08-13
Ransomware Use
Unknown
Required Action
The impacted product is end-of-life and should be disconnected if still in use.

Sources

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2012-12-30
Last Modified
2026-06-16
NVD status
Analyzed

Frequently asked questions

What is 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 demonstrated by a CDwnBindInfo object, and exploited in the wild in December 2012.

Is CVE-2012-4792 actively exploited?

Yes. CVE-2012-4792 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2024-08-13.

What is the CVSS score for CVE-2012-4792?

CVE-2012-4792 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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