CVSS 3.1
9.0 criticalCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:HCVE-2012-4787
Critical (9.0) in microsoft internet explorer. EPSS 18% chance of exploitation in the next 30 days.
Use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to an object that (1) was not properly initialized or (2) is deleted, aka "Improper Ref Counting Use After Free Vulnerability."
Severity
- EPSS
- 18% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-399, CWE-416
- Published
- Modified
- Record from
- the NVD, synced
Affected
- microsoft:internet_explorer
References
- http://www.us-cert.gov/cas/techalerts/TA12-346A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-077
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16211
- http://www.us-cert.gov/cas/techalerts/TA12-346A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-077