CVE-2020-1472: Microsoft Netlogon Privilege Escalation Vulnerability

Reference page built from the source records below, each shown as its source publishes it. Dataset version ref-8693709c3b22, updated 2026-11-02T23:39:54.475Z.

CISA Known Exploited Vulnerabilities

Name
Microsoft Netlogon Privilege Escalation Vulnerability
Vendor
Microsoft
Product
Netlogon
Added to the catalog
2021-11-03
Due date for US federal agencies
2022-05-03
Weaknesses
CWE-330
Catalog version
2026.10.30

Microsoft's Netlogon Remote Protocol (MS-NRPC) contains a privilege escalation vulnerability when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller. An attacker who successfully exploits the vulnerability could run a specially crafted application on a device on the network. The vulnerability is also known under the moniker of Zerologon.

Required action (CISA)

Apply updates per vendor instructions.

Ransomware use: CISA marks this vulnerability as known to be used in ransomware campaigns. CISA does not say which group used it.

Links in CISA's notes

Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

NVD analysis

Status
Analyzed
Published
2020-08-17T19:15:15.117
Last modified
2026-06-17T03:01:29.760
Weaknesses
NVD-CWE-noinfo

An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protocol (MS-NRPC). An attacker who successfully exploited the vulnerability could run a specially crafted application on a device on the network.
To exploit the vulnerability, an unauthenticated attacker would be required to use MS-NRPC to connect to a domain controller to obtain domain administrator access.
Microsoft is addressing the vulnerability in a phased two-part rollout. These updates address the vulnerability by modifying how Netlogon handles the usage of Netlogon secure channels.
For guidelines on how to manage the changes required for this vulnerability and more information on the phased rollout, see How to manage the changes in Netlogon secure channel connections associated with CVE-2020-1472 (updated September 28, 2020).
When the second phase of Windows updates become available in Q1 2021, customers will be notified via a revision to this security vulnerability. If you wish to be notified when these updates are released, we recommend that you register for the security notifications mailer to be alerted of content changes to this advisory. See Microsoft Technical Security Notifications.

MetricScoreSeverityVectorScored by
CVSS 3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N[email protected] (Secondary)
CVSS 3.110CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H[email protected] (Secondary)
CVSS 2.09.3HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C[email protected] (Primary)

References

This product uses the NVD API but is not endorsed or certified by the NVD.

Read on 2026-11-02T23:41:51.476Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2020-1472

CVE record

Title (CNA)
Netlogon Elevation of Privilege Vulnerability
Assigner
microsoft
State
PUBLISHED
Published
2020-08-17T19:13:05.000Z
Updated
2025-10-21T23:35:37.656Z
Problem types
Elevation of Privilege

References

Read on 2026-11-03T01:03:31.291Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2020/1xxx/CVE-2020-1472.json

Detection rules (SigmaHQ)

SigmaHQ rules whose own tags name this CVE. Each rule page shows the rule as its author published it.

Sources and licences

  • CISA

    Source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30, CC0 1.0. Use of this data does not imply endorsement by CISA or DHS.

    CC0 1.0 Universal

  • National Vulnerability Database (NIST)

    This product uses the NVD API but is not endorsed or certified by the NVD.

    NVD API Terms of Use (NIST publications in the public domain, 17 U.S.C. 105)

  • CVE Program, The MITRE Corporation

    Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation. CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

    CVE Program Terms of Use ("CVE Usage" licence)

  • SigmaHQ

    "Exploitation Attempt Of CVE-2020-1472 - Execution of ZeroLogon PoC" by @Kostastsale, TheDFIRReport (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2020/Exploits/CVE-2020-1472/proc_creation_win_exploit_cve_2020_1472_zero_poc.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

  • SigmaHQ

    "Potential Zerologon (CVE-2020-1472) Exploitation" by Aleksandr Akhremchik, @aleqs4ndr, ocsd.community (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-placeholder/windows/builtin/security/win_security_exploit_cve_2020_1472.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "CVE-2020-1472: Microsoft Netlogon Privilege Escalation Vulnerability",
entity page, dataset version ref-8693709c3b22, updated 2026-11-02T23:39:54.475Z,
https://ransomware-tracker.com/cve/CVE-2020-1472 (accessed 2026-11-03).
Underlying source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30.
Underlying source: National Vulnerability Database (NIST), CVE API 2.0, record last modified 2026-06-17T03:01:29.760.
Underlying source: CVE List (CVE Program, The MITRE Corporation), record updated 2025-10-21T23:35:37.656Z.
Underlying source: SigmaHQ rule dcc6a01e-9471-44a0-a699-71ea96f8ed8b, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.
Underlying source: SigmaHQ rule dd7876d8-0f09-11eb-adc1-0242ac120002, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.

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