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CVE-2012-4969 KEVPublic exploitEnd of life High · 8.1 EPSS 80.3%

Microsoft Internet Explorer Use-After-Free Vulnerability

Microsoft · Internet Explorer

End of lifeInternet Explorer reached on 15 Jun 2022. No patch is coming: remove or isolate it.

Summary

A use-after-free flaw in the CMshtmlEd::Exec function of mshtml.dll, the rendering component of Microsoft Internet Explorer 6 through 9, allows memory to be accessed after it has been released. An remote attacker can execute arbitrary code by getting a victim to load a crafted web site, requiring no authentication but user interaction to visit the page.

Official description · NVD

Use-after-free vulnerability in the CMshtmlEd::Exec function in mshtml.dll in Microsoft Internet Explorer 6 through 9 allows remote attackers to execute arbitrary code via a crafted web site, as exploited in the wild in September 2012.

Breakdown
57.5 / 100
Exploited
Yes, in CISA KEV
Reports
1
Tactics
0/15

First seen exploited the day it was disclosed. Public exploit code (Metasploit) was available 4 days before disclosure.

  1. Public exploit codeMetasploit4 days before
  2. DisclosedFirst seen exploitedVulnCheck KEV evidenceday 0
  3. Named in a threat reportunit42.paloaltonetworks.com+3 yrs
  4. Added to CISA KEVEU database agrees+10 yrs

CISA KEV listing is when exploitation was confirmed, not necessarily the first attack.

techniques

No techniques linked

No high- or medium-confidence techniques. The 2 available links are lower confidence and listed below.

Lower-confidence links (2)

These come from early or generic mappings, text matching, or contradict this CVE’s details (for example a public-facing technique on a bug that needs a user to open a file). Shown for completeness.

  • Drive-by CompromiseT1189 server-side bug exploitable without user interaction; client-execution technique does not fit
  • Exploitation for Client ExecutionT1203 server-side bug exploitable without user interaction; client-execution technique does not fit

What security researchers reported

Named in 1 threat report
1 reportUnit 42Jan 2016

Reports are matched by finding the exact id CVE-2012-4969 in their text; nobody has reviewed the match. One passage is shown per report, at most 320 characters, linked to the original.

Also mentioned in 50 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

12 links, grouped by NVD tag (11 duplicates merged)
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