Use-after-free vulnerability in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code via a crafted web
Affects Internet Explorer 6, 7 and 8 on Windows; Internet Explorer 9 and 10 are not affected. The checked facts list no fix and no vendor rating.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
Microsoft Internet Explorer web browser software is affected. A remote attacker who gets a user to visit a specially crafted website could run arbitrary code on the user's computer.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original 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
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CISA remediation deadline
Due date for US federal agencies to patch
- Record last updated
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- n/a n/a
Version range not reported
References 13
docs.microsoft.com
kb.cert.org
GitHub · rapid7/metasploit-framework
labs.alienvault.com
packetstormsecurity.com
eromang.zataz.com
oval.cisecurity.org
blogs.technet.com
technet.microsoft.com
Questions about CVE-2012-4792
What does this mean?
A use-after-free flaw in Internet Explorer can let remote attackers run arbitrary code via crafted web content. The code gets the same user rights as the current user.Source: learn.microsoft.com
Am I affected, and how do I check?
Internet Explorer 6, 7 and 8 on Windows are affected, while Internet Explorer 9 and 10 are not. Check the installed Internet Explorer version to see which group a system falls into.Source: learn.microsoft.com
What should I do about it?
The checked facts do not name a fixed version or patch. Internet Explorer 9 and 10 are listed as not affected.Source: learn.microsoft.com
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2024-07-23, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data
What if there's no patch?
The checked facts do not include a fix or workaround. No mitigation can be stated from these facts alone.Source: learn.microsoft.com