CVE-2021-27064

Visual Studio Installer Elevation of Privilege Vulnerability

HIGH
7.8
CVSS Score
Published: April 13, 2021 at 07:32 PM UTC
Updated: June 17, 2026 at 03:44 AM UTC
2 products affected across 1 vendorVisual Studio 2019Visual Studio 2017

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Severity
HIGH7.8
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

Visual Studio Installer Elevation of Privilege Vulnerability

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

15.0 ≤ v ≤ 15.915.9.0 ≤ v < publication15.9.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
15.0.0 ≤ v < publication16.0 ≤ v ≤ 16.416.0 ≤ v < publication16.0.0 ≤ v < publication16.6 ≤ v ≤ 16.716.8 ≤ v ≤ 16.915.0.016.016.0.016.9
Affected range stops below publication, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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