CVE-2012-4792: Microsoft Internet Explorer Use-After-Free Vulnerability

Microsoft Internet Explorer contains a use-after-free vulnerability that allows a remote attacker 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.

VendorMicrosoft
ProductInternet Explorer
Date added to KEV2024-07-23
Due date (BOD 22-01)2024-08-13
Known ransomware campaign useUnknown
CWECWE-416
Required actionThe impacted product is end-of-life and should be disconnected if still in use.

What to do

  1. Identify every instance of Microsoft Internet Explorer in your environment (asset inventory, EDR, vulnerability scanner).
  2. Apply CISA's required action: The impacted product is end-of-life and should be disconnected if still in use.
  3. Federal civilian agencies must act by 2024-08-13 under BOD 22-01; other organizations can use the same date as a target.
  4. Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.

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Sources

Generated from the CISA feed with AI assistance; facts are taken verbatim from the feed. Not affiliated with or endorsed by CISA. Facts come from the CISA Known Exploited Vulnerabilities catalog (public domain).