CVE-2020-1013

What it is

<p>An elevation of privilege vulnerability exists when Microsoft Windows processes group policy updates. An attacker who successfully exploited this vulnerability could potentially escalate permissions or perform additional privileged actions on the target machine.</p> <p>To exploit this vulnerability, an attacker would need to launch a man-in-the-middle (MiTM) attack against the traffic passing between a domain controller and the target machine. An attacker could then create a group policy to grant administrator rights to a standard user.</p> <p>The security update addresses the vulnerability by enforcing Kerberos authentication for certain calls over LDAP.</p>

At a glance

Exploitability

Can be exploited from the same network segment without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

6.5% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2020-09-11 17:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 03:00 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 6.5% in the next 30 days (EPSS).
• Severity: 7.5 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2020-09-11 17:15 UTC

Last modified

2026-06-17 03:00 UTC

Exploit probability

6.5% · EPSS, next 30 days

Record status

Modified

Affected

• Microsoft Windows 10
• Microsoft Windows 10 1607
• Microsoft Windows 10 1709
• Microsoft Windows 10 1803
• Microsoft Windows 10 1809
• Microsoft Windows 10 1903
• Microsoft Windows 10 1909
• Microsoft Windows 10 2004

Attack profile CVSS 3.1 · 7.5

Attack vector

Adjacent network

Complexity

High

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2020-1013.md and follow it. Check whether this project is affected by CVE-2020-1013. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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