CVE-2012-4792
Microsoft Internet Explorer Use-After-Free Vulnerability
- High 8.8
- Exploited: added to CISA KEV 23 Jul 2024
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.
Key facts
- Published
- 30 Dec 2012
- Last changed
- 22 Oct 2025
- Assigned by
- microsoft
- KEV added
- 23 Jul 2024
- KEV fix due
- 13 Aug 2024
- EPSS
- 78.823% likely to be exploited in the next 30 days, higher than 99.598% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 8.8CVSS 3.1, Highfrom CISA (ADP container)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
What to do
- The impacted product is end-of-life and should be disconnected if still in use.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a |
|
Timeline
- 30 Dec 2012 Published
- 23 Jul 2024 CVE-2012-4792 added to CISA KEV
- 23 Jul 2024 Added to the CISA KEV catalogue