CVE-2012-4969
Microsoft Internet Explorer: Use-After-Free
As of , CVE-2012-4969 in Microsoft Internet Explorer is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.
- Exploited
- Yes: CISA listed it on 8 June 2022
- US federal deadline
- 22 June 202214 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Not known to CISA
- EPSS score
- 0.80Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- 0.92 on 8 June 2022EPSS on the day CISA listed it.
- Public exploit
- 1 Metasploit module and 1 Exploit-DB entry (1 verified)
- Fix
- No vendor link in CISA's entry
What CISA says to do
Apply updates per vendor instructions.
CISA's required action
What the flaw is
Microsoft Internet Explorer contains a use-after-free vulnerability that allows remote attackers to execute code via a crafted web site.
CISA's description
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.
The CVE record's description, from mitre
- CVE published
- 18 September 2012
- Assigned by
- mitre
- CVSS
- 8.1 High (CVSS 3.1, from CISA-ADP)
- CWE-416
- Use After Free
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- no
- CISA SSVC, technical impact
- total
Timeline
- The CVE record was published.
- Exploit-DB published an exploit (EDB-ID 21840).
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
Public exploits
Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.
- Metasploit: MS12-063 Microsoft Internet Explorer execCommand Use-After-Free Vulnerabilityexploit module, rank good
- Exploit-DB: Microsoft Internet Explorer - execCommand Use-After-Free (MS12-063) (Metasploit)EDB-ID 21840, verified by Exploit-DB, 10 October 2012
Internet Explorer: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2010-0249Use-After-Free | Microsoft Internet Explorer | Patch this weekMetasploit module; EPSS 0.92; verified Exploit-DB entry | 0.92 | ||
| CVE-2010-0806Use-After-Free | Microsoft Internet Explorer | Patch this weekMetasploit module; EPSS 0.82; verified Exploit-DB entry | 0.82 | ||
| CVE-2010-3962Uninitialized Memory Corruption | Microsoft Internet Explorer | Patch this weekMetasploit module; EPSS 0.97; verified Exploit-DB entry | 0.97 | ||
| CVE-2013-3893Resource Management Errors | Microsoft Internet Explorer | Patch this weekMetasploit module; EPSS 0.88; verified Exploit-DB entry | 0.88 | ||
| CVE-2012-4792Use-After-Free | Microsoft Internet Explorer | Patch this weekMetasploit module; EPSS 0.79; verified Exploit-DB entry | 0.79 | ||
| CVE-2013-3163Memory Corruption | Microsoft Internet Explorer | Patch this weekMetasploit module; EPSS 0.71; verified Exploit-DB entry | 0.71 | ||
| CVE-2014-0322Use-After-Free | Microsoft Internet Explorer | Patch this weekMetasploit module; EPSS 0.85; verified Exploit-DB entry | 0.85 | ||
| CVE-2013-2551Use-After-Free | Microsoft Internet Explorer | Patch this weekRansomware use; Metasploit module; EPSS 0.74; verified Exploit-DB entry | 0.74 | ||
| CVE-2013-1347Remote Code Execution | Microsoft Internet Explorer | Patch this weekMetasploit module; EPSS 0.78; verified Exploit-DB entry | 0.78 | ||
| CVE-2013-3897Use-After-Free | Microsoft Internet Explorer | Patch this weekMetasploit module; EPSS 0.77; verified Exploit-DB entry | 0.77 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org