Which products and versions are affected by CVE-2021-36952?

Affected: Visual Studio 2017 (Microsoft); Visual Studio 2019 (Microsoft). The full list is in the CVE brief.

Is CVE-2021-36952 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2021-36952 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2021-36952?

No public exploit code is known.

Is there a fix for CVE-2021-36952?

Fixed versions are available, including Visual Studio 2017 <=15.9, Visual Studio 2017 15.9.39, Visual Studio 2019 <=16.7.

How urgently should CVE-2021-36952 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2021-36952

Q: What is CVE-2021-36952?

Visual Studio Remote Code Execution Vulnerability

Q: How urgently should CVE-2021-36952 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

High

Visual Studio Remote Code Execution Vulnerability

Published Sep 15, 2021 · Updated Aug 10, 2026

Key Facts

Patch immediately

CVE-2021-36952 is a high-severity vulnerability (CVSS 7.8 v3.1) affecting Visual Studio 2017 (Microsoft), Visual Studio 2019 (Microsoft).
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 51% probability of exploitation in the next 30 days.
Fixed versions are available, including Visual Studio 2017 <=15.9, Visual Studio 2017 15.9.39, Visual Studio 2019 <=16.7.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

7.8

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

EPSS (30-day exploit likelihood)

51%

Higher than 98.9% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2021-36952 brief as a PDF

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Description

Visual Studio Remote Code Execution Vulnerability

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
Visual Studio 2017Microsoft	See advisory	15.9
Visual Studio 2019Microsoft	See advisory	16.7

Patched Releases

Visual Studio 2017

<=15.9, 15.9.39

Visual Studio 2019

<=16.7, 16.4.26, 16.7.19

Timeline

Publicly disclosed
Sep 15, 2021
Last updated
Aug 10, 2026

Weakness Type

CWE-787 Out-of-bounds Write

References

FAQ

Common Questions.

Visual Studio Remote Code Execution Vulnerability
Affected: Visual Studio 2017 (Microsoft); Visual Studio 2019 (Microsoft). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Visual Studio 2017 <=15.9, Visual Studio 2017 15.9.39, Visual Studio 2019 <=16.7.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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