Use After Free in Microsoft Internet Explorer
CVE-2009-3671
Microsoft Internet Explorer 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, leading to memory corruption, aka "Uninitialized Memory Corruption Vulnerability," a different vulnerability than CVE-2009-3674.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.210 (97.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.210 · newest: 0.210 · change: 0.000
Affected products
Weakness classification (CWE)
References
- docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-072 (vendor-advisory)
- www.us-cert.gov/cas/techalerts/TA09-342A.html (US Government Resource, third-party-advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:6382 (signature, vdb-entry)
- www.securitytracker.com/id (vdb-entry)
Frequently asked questions
- What is CVE-2009-3671?
- CVE-2009-3671 is a high-severity vulnerability in Microsoft Internet Explorer, classified under CWE-399. CVSS score: 8.1/10. Published 2009-12-09.
- How severe is CVE-2009-3671?
- High severity. CVSS v3 base score is 8.1 out of 10.