CVE-2021-31959: microsoft windows_10
CVSS: 6.8v2.0MediumModified
Published 08-06-2021Last modified 19-11-2024
Vulnerability summary
CVE-2021-31959 is a medium (CVSS 6.8) vulnerability in microsoft windows_10. EPSS estimates a 9.23% chance of exploitation in the next 30 days, higher than 95.3% of scored vulnerabilities.
CVSS score
6.8/10
010
Medium · v2.0 (NVD)EPSS score
9.23%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-06-2021PublishedVulnerability first disclosed.
- 19-11-2024Last modifiedVulnerability information updated.
Description
Scripting Engine Memory Corruption Vulnerability
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.4Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST6.4MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
9.23%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
0.00 pp
From 9.23% on 21-09-2026
21-09-202621-10-2026
EPSS score9.23%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Microsoft18 products
- windows_10na | 20h2 | 21h1 | 1607 | 1809 | 1909 | 2004
- windows 10 version 1507≥ 10.0.0, < 10.0.10240.18967
- windows 10 version 1607≥ 10.0.0, < 10.0.14393.4467
- windows 10 version 1809≥ 10.0.0, < 10.0.17763.1999
- windows 10 version 1909≥ 10.0.0, < 10.0.18363.1621
1 vendor · 18 products
References
2 links- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31959X Refsource MISCPatchVendor Advisory
- packetstormsecurity.com/files/163056/Internet-Explorer-jscript9.dll-Memory-Corruption.htmlX Refsource MISCThird Party AdvisoryVDB Entry