01 Record
CVE-2012-4787
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
CriticalPUBLISHEDCNA: microsoft
CNA base score9.0 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
02 Description
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
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 17.57% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 96.8% of scored records. A rank, not a probability.
- NVD base score
- 9.0 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2012-12-12 00:00Z13 YR AGO
- Last updated
- 2024-10-17 18:24Z2 YR AGO
- Reserved
- 2012-09-06
- Assigning CNA
- microsoft
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.0)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- Data version
- 5.1
- Document digest
- 3bca2462d4120403b18b941f5093dd33388d0defa028d8d87ebf18c1159a748b
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.us-cert.govTA12-346Ahttp://www.us-cert.gov/cas/techalerts/TA12-346A.html
- docs.microsoft.comMS12-077https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-077
- oval.cisecurity.orgoval:org.mitre.oval:def:16211https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16211