Buffer overflow in Microsoft Chakracore
CVE-2019-1300
A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka 'Chakra Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-1138…
Vulnerability class: Buffer Overflow
EPSS: 0.087 (94.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Chakracore — versions unspecified
- Microsoft Edge
- Microsoft Edge (Edgehtml-based) On Windows 10 For 32-bit Systems — versions unspecified
- Microsoft Edge (Edgehtml-based) On Windows 10 For X64-based Systems — versions unspecified
- Microsoft Edge (Edgehtml-based) On Windows 10 Version 1607 For 32-bit Systems — versions unspecified
- Microsoft Edge (Edgehtml-based) On Windows 10 Version 1607 For X64-based Systems — versions unspecified
- Microsoft Edge (Edgehtml-based) On Windows 10 Version 1703 For 32-bit Systems — versions unspecified
- Microsoft Edge (Edgehtml-based) On Windows 10 Version 1703 For X64-based Systems — versions unspecified
- Microsoft Edge (Edgehtml-based) On Windows 10 Version 1709 For 32-bit Systems — versions unspecified
- Microsoft Edge (Edgehtml-based) On Windows 10 Version 1709 For Arm64-based Systems — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-1300?
- CVE-2019-1300 is a high-severity vulnerability in Microsoft Chakracore, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2019-09-11.
- How severe is CVE-2019-1300?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-1300 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.