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CVE-2021-36952

54
FAUCET Score

CVE-2021-36952 is a Remote Code Execution vulnerability affecting Microsoft Visual Studio 2017 and 2019. With a CVSS score of 7.8 (High), it requires user interaction for exploitation, but a successful attack could lead to high impact on confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, indicating awareness despite its inactive status on the CISA KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
>= 15.0, <= 15.9CPE matchmatch criteria
cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:*
>= 16.0, <= 16.7CPE matchmatch criteria
cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
54.17%
Probability of exploitation in next 30 days
EPSS Percentile
98.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.5417 is in the 99th percentile among its peer group of 11,617 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)Fixed in: 15.9.39
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)Fixed in: 16.4.26
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)Fixed in: 16.7.19
View patch

Vendor Advisories (1)

microsoft2021-Sep/CVE-2021-36952Important

Visual Studio Remote Code Execution Vulnerability

Sep 14, 2021

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2021-36952
PatchVendor Advisory
zerodayinitiative.com / advisories/ZDI-21-1076
Third Party AdvisoryVDB Entry