CVE-2018-8353: microsoft internet_explorer Use After Free
Vulnerability summary
CVE-2018-8353 is a high (CVSS 7.6) Use After Free vulnerability in microsoft internet_explorer. EPSS estimates a 67.34% chance of exploitation in the next 30 days, higher than 99.3% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 15-08-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
67.34%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
-0.35 pp
From 67.69% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundMicrosoft Windows - JScript RegExp.lastIndex Use-After-Free
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Microsoft1 product
- internet_explorerEOL11 | 10 | 9
1 vendor · 1 product
References
4 links- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8353X Refsource CONFIRMPatchVendor Advisory