CVE-2020-1467

Windows Hard Link Elevation of Privilege Vulnerability

CRITICAL
10
CVSS Score
Published: August 17, 2020 at 07:13 PM UTC
Updated: June 17, 2026 at 03:01 AM UTC
16 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows Server 2012

Using Windows 10 Version 1809 by Microsoft?

Get instant alerts when new vulnerabilities affect Windows 10 Version 1809 - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
CRITICAL10
Exploit prediction
EPSS 4%

Description

An elevation of privilege vulnerability exists when Windows improperly handles hard links. An attacker who successfully exploited this vulnerability could overwrite a targeted file leading to an elevated status. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system. The security update addresses the vulnerability by correcting how Windows handles hard links.

Affected

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

6.1.0 ≤ v < publication6.1.0sp1
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
6.3.0 ≤ v < publication6.3.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
6.0.0 ≤ v < publication6.1.0 ≤ v < publication6.0.06.1.0r2 sp1sp2
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
6.2.0 ≤ v < publication6.3.0 ≤ v < publication6.2.06.3.0r2
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < publication10.0.0190319092004
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < publication10.0.0
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:

CVSS

10CRITICALmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card