Use After Free in Microsoft Internet Explorer
CVE-2018-8353
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka "Scripting Engine Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10. This CVE ID is unique from CVE-2018-8355, CVE-2018-8359, CVE-2018-8371, CVE-2018-8372, CVE-2018-8373, CVE-2018-8385, CVE-2018-8389, CVE-2018-8390.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.677 (99.3th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.677 · newest: 0.677 · change: 0.000
Affected products
- Microsoft Internet Explorer — versions 11, 10, 9
- Microsoft Windows 10 — versions 1607, 1703, 1709
- Microsoft Windows 7
- Microsoft Windows 8.1
- Microsoft Windows Rt 8.1
- Microsoft Windows Server 2008 — versions r2
- Microsoft Windows Server 2012 — versions r2
- Microsoft Windows Server 2016
Weakness classification (CWE)
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8353 (Patch, Vendor Advisory)
- www.exploit-db.com/exploits/45279/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.securitytracker.com/id/1041483 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/105034 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2018-8353?
- CVE-2018-8353 is a high-severity vulnerability in Microsoft Internet Explorer, classified under Use After Free. CVSS score: 7.5/10. Published 2018-08-15.
- How severe is CVE-2018-8353?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-8353 known to be exploited?
- 16 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.