Information disclosure in Microsoft Chakracore
CVE-2019-1023
An information disclosure vulnerability exists when the scripting engine does not properly handle objects in memory in Microsoft Edge. An attacker who successfully exploited the vulnerability could obtain information to further compromise…
Vulnerability class: Information Disclosure
EPSS: 0.054 (91.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Microsoft Chakracore — versions 0
- Microsoft Edge
- Microsoft Edge (Edgehtml-based) — versions 1.0..0
- Microsoft Windows_10 — versions 1607, 1703, 1709
- Microsoft Windows_server_2016
- Microsoft Windows_server_2019
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (vendor-advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-1023?
- CVE-2019-1023 is a medium-severity vulnerability in Microsoft Chakracore, classified under Information Disclosure. CVSS score: 6.5/10. Published 2019-06-12.
- How severe is CVE-2019-1023?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2019-1023 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.