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CVE-2020-16908

Windows Setup Elevation of Privilege Vulnerability

HIGH
7.8
CVSS Score
Published: October 16, 2020 at 10:17 PM UTC
Updated: June 17, 2026 at 02:58 AM UTC
6 products affected across 1 vendorWindows 10Windows 10 1809Windows 10 1909

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Severity
HIGH7.8
Exploit prediction
EPSS 1.0%
SSVC
No known exploit

Description

<p>An elevation of privilege vulnerability exists in Windows Setup in the way it handles directories.</p> <p>A locally authenticated attacker could run arbitrary code with elevated system privileges. After successfully exploiting the vulnerability, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.</p> <p>The security update addresses the vulnerability by ensuring Windows Setup properly handles directories.</p>

Affected

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

Remediation

No guide yet

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

Patch and advisory references

References (1)

x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16908

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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