CVE-2021-36952: microsoft microsoft visual studio 2017 version 15.9 (includes 15.0 - 15.8) Out-of-bounds Write
CVSS: 7.8v3.1HighModified
Published 15-09-2021Last modified 10-08-2026
Vulnerability summary
CVE-2021-36952 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in microsoft microsoft visual studio 2017 version 15.9 (includes 15.0 - 15.8). EPSS estimates a 51.46% chance of exploitation in the next 30 days, higher than 98.9% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
51.46%
0%100%
Critical · +0.28 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 15-09-2021PublishedVulnerability first disclosed.
- 10-08-2026Last modifiedVulnerability information updated.
Description
Visual Studio Remote Code Execution Vulnerability
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
51.46%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
+0.28 pp
From 51.18% on 19-09-2026
19-09-202619-10-2026
EPSS score51.46%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft5 products
- microsoft visual studio 2017 version 15.9 (includes 15.0 - 15.8)≥ 15.9.0, < 15.9.39
- microsoft visual studio 2019 version 16.4 (includes 16.0 - 16.3)≥ 16.0, < 16.4.26
- microsoft visual studio 2019 version 16.7 (includes 16.0 – 16.6)≥ 16.0.0, < 16.7.19
- visual_studio_2017≥ 15.0, ≤ 15.9
- visual_studio_2019≥ 16.0, ≤ 16.7
1 vendor · 5 products
References
3 links
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36952X Refsource MISCX TransferredPatchVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-21-1076/X Refsource MISCX TransferredThird Party AdvisoryVDB Entry