Integer overflow in Microsoft Chakracore
CVE-2019-0639
A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-0609, CVE-2019-0680, CVE-2019-0769, CVE-2019-0770, CVE-2019-0771, CVE-2019-0773, CVE-2019-0783.
Vulnerability class: Integer Overflow
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: 0.120 (96.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.120 · newest: 0.120 · change: 0.000
Affected products
- Microsoft Chakracore — versions Windows 10 Version 1809 for ARM64-based Systems, Windows Server 2019
- Microsoft Internet Explorer — versions 11
- Microsoft Edge — versions Windows 10 Version 1803 for 32-bit Systems, Windows 10 Version 1803 for x64-based Systems, Windows 10 Version 1803 for ARM64-based Systems
- Microsoft Windows 10 — versions 1803, 1809
- Microsoft Windows Server 2019
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2019-0639?
- CVE-2019-0639 is a high-severity vulnerability in Microsoft Chakracore, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2019-04-08.
- How severe is CVE-2019-0639?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-0639 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.