CVE-2020-0767: microsoft chakracore Out-of-bounds Write
CVSS: 7.6v2.0HighModified
AliasesGHSA-fhc8-h6hr-h9mq
Published 11-02-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-0767 is a high (CVSS 7.6) Out-of-bounds Write vulnerability in microsoft chakracore. EPSS estimates a 17.60% chance of exploitation in the next 30 days, higher than 97.1% of scored vulnerabilities.
CVSS score
7.6/10
010
High · v2.0 (NVD)EPSS score
17.60%
0%100%
Medium · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-02-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
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-2020-0673, CVE-2020-0674, CVE-2020-0710, CVE-2020-0711, CVE-2020-0712, CVE-2020-0713.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.5Preferred score · OSV · Nuget (Ecosystem advisory) · calculated from vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
High 7.6Preferred score · NVD (NIST)
AV:N/AC:H/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
17.60%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
0.00 pp
From 17.60% on 20-09-2026
20-09-202620-10-2026
EPSS score17.60%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft23 products
- chakracoreunspecified | < 1.11.16
- edgena
- microsoft edge (edgehtml-based) on windows 10 for 32-bit systemsunspecified
- microsoft edge (edgehtml-based) on windows 10 for x64-based systemsunspecified
- microsoft edge (edgehtml-based) on windows 10 version 1607 for 32-bit systemsunspecified
NuGet1 product
- Microsoft.ChakraCore< 1.11.16
2 vendors · 24 products
References
5 links- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0767X Refsource MISCWEBPatchVendor Advisory