CVE-2023-21772

Description

Windows Kernel Elevation of Privilege Vulnerability

Overview

State: PUBLISHED
Assigner (CNA): microsoft
CVSS severity: HIGH
CVSS score: 7.8 / 10
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Effective score: 7.8 / 10 HIGH source: CNA overview
MSRC score: 7.8 / 10 HIGH MS rating: Important · Elevation of Privilege
CWE(s): CWE-125
Reserved: 2022-12-13
Published: 2023-01-10 08:00 UTC
Last updated: 2023-06-30 07:00 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/21xxx/CVE-2023-21772.json
Linked Threat: CVE-2023-21772 — Windows Kernel Elevation of Privilege Vulnerability

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2023-25939
Assigner: microsoft
Published: Jan 10, 2023, 12:00:00 AM
Updated: Jan 1, 2025, 12:36:10 AM
EUVD base score (CVSS 3.1): 7.8 / 10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
EUVD-reported EPSS: 1.9700
Vendors: Microsoft
Products: Windows Server 2019 (Server Core installation) (10.0.17763.0 <10.0.17763.3887)

Windows 7 Service Pack 1 (6.1.0 <6.1.7601.26321)

Windows 7 (6.1.0 <6.1.7601.26321)

Windows 11 version 22H2 (10.0.22621.0 <10.0.22621.1105)

Windows Server 2022 (10.0.20348.0 <10.0.20348.1487)

Windows Server 2012 R2 (6.3.9600.0 <6.3.9600.20778)

Windows Server 2008 Service Pack 2 (6.0.6003.0 <6.0.6003.21872)

Windows 10 Version 21H2 (10.0.19043.0 <10.0.19044.2486)

Windows 10 Version 22H2 (10.0.19045.0 <10.0.19045.2486)

Windows Server 2008 Service Pack 2 (6.0.6003.0 <6.0.6003.21872)

Windows 10 Version 1809 (10.0.17763.0 <10.0.17763.3887)

Windows Server 2008 R2 Service Pack 1 (6.1.7601.0 <6.1.7601.26321)

Windows Server 2012 (6.2.9200.0 <6.2.9200.24075)

Windows 11 version 21H2 (10.0.0 <10.0.22000.1455)

Windows 10 Version 20H2 (10.0.0 <10.0.19042.2486)

Windows Server 2019 (10.0.17763.0 <10.0.17763.3887)

Windows 10 Version 1607 (10.0.14393.0 <10.0.14393.5648)

Windows 8.1 (6.3.0 <6.3.9600.20778)

Windows Server 2012 (Server Core installation) (6.2.9200.0 <6.2.9200.24075)

Windows Server 2016 (10.0.14393.0 <10.0.14393.5648)

Windows 10 Version 1809 (10.0.0 <10.0.17763.3887)

Windows 10 Version 1507 (10.0.10240.0 <10.0.10240.19685)

Windows Server 2008 Service Pack 2 (Server Core installation) (6.0.6003.0 <6.0.6003.21872)

Windows Server 2008 R2 Service Pack 1 (Server Core installation) (6.1.7601.0 <6.1.7601.26321)

Windows Server 2012 R2 (Server Core installation) (6.3.9600.0 <6.3.9600.20778)

Windows Server 2016 (Server Core installation) (10.0.14393.0 <10.0.14393.5648)
Aliases: GHSA-48fv-w5pm-wm33

ENISA description: Windows Kernel Elevation of Privilege Vulnerability

EUVD references (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21772

Microsoft Security Response Center MSRC

Microsoft's vendor-authoritative record from the Security Update Guide — its own CVSS score, impact, severity rating, exploit assessment, and KB-article fixes. Refreshed 2026-08-12 01:01 UTC (source: CVRF).

MS severity: Important
Impact: Elevation of Privilege
MS CVSS base score: 7.8 / 10 (temporal 6.8)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Exploit assessment: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;DOS:N/A
Release: 2023-Jan

Microsoft remediations / KB articles (26)

5022286 — Vendor Fix / Security Update (fixed build 10.0.17763.3887)
5022286 — Update
5022291 — Vendor Fix / Security Update (fixed build 10.0.20348.1487)
5022282 — Vendor Fix / Security Update (fixed build 10.0.19042.2486)
5022282 — Update
5022287 — Vendor Fix / Security Update (fixed build 10.0.22000.1455)
5022303 — Vendor Fix / Security Update (fixed build 10.0.22621.1105)
5022303 — Update
5022297 — Vendor Fix / Security Update (fixed build 10.0.10240.19685)
5022289 — Vendor Fix / Security Update (fixed build 10.0.14393.5648)
5022338 — Vendor Fix / Monthly Rollup (fixed build 6.1.7601.26321)
5022338 — Update
5022339 — Vendor Fix / Security Only (fixed build 6.1.7601.26321)
5022339 — Update
5022352 — Vendor Fix / Monthly Rollup (fixed build 6.3.9600.20778)
5022352 — Update
5022346 — Vendor Fix / Security Only (fixed build 6.3.9600.20778)
5022346 — Update
5022340 — Vendor Fix / Monthly Rollup (fixed build 6.0.6003.21872)
5022340 — Update
5022353 — Vendor Fix / Security Only (fixed build 6.0.6003.21872)
5022353 — Update
5022348 — Vendor Fix / Monthly Rollup (fixed build 6.2.9200.24075)
5022348 — Update
5022343 — Vendor Fix / Security Only (fixed build 6.2.9200.24075)
5022343 — Update

Microsoft FAQ (1)

What privileges could be gained by an attacker who successfully exploited this vulnerability?

An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

Affected products (26)

Vendor	Product	Versions	Platforms
Microsoft	Windows 10 Version 1809	`10.0.17763.0` (affected)	32-bit Systems, x64-based Systems
Microsoft	Windows 10 Version 1809	`10.0.0` (affected)	ARM64-based Systems
Microsoft	Windows Server 2019	`10.0.17763.0` (affected)	x64-based Systems
Microsoft	Windows Server 2019 (Server Core installation)	`10.0.17763.0` (affected)	x64-based Systems
Microsoft	Windows Server 2022	`10.0.20348.0` (affected)	x64-based Systems
Microsoft	Windows 10 Version 20H2	`10.0.0` (affected)	32-bit Systems, ARM64-based Systems
Microsoft	Windows 11 version 21H2	`10.0.0` (affected)	x64-based Systems, ARM64-based Systems
Microsoft	Windows 10 Version 21H2	`10.0.19043.0` (affected)	32-bit Systems, ARM64-based Systems, x64-based Systems
Microsoft	Windows 11 version 22H2	`10.0.22621.0` (affected)	ARM64-based Systems, x64-based Systems
Microsoft	Windows 10 Version 22H2	`10.0.19045.0` (affected)	x64-based Systems, ARM64-based Systems, 32-bit Systems
Microsoft	Windows 10 Version 1507	`10.0.10240.0` (affected)	32-bit Systems, x64-based Systems
Microsoft	Windows 10 Version 1607	`10.0.14393.0` (affected)	32-bit Systems, x64-based Systems
Microsoft	Windows Server 2016	`10.0.14393.0` (affected)	x64-based Systems
Microsoft	Windows Server 2016 (Server Core installation)	`10.0.14393.0` (affected)	x64-based Systems
Microsoft	Windows 7	`6.1.0` (affected)	32-bit Systems
Microsoft	Windows 7 Service Pack 1	`6.1.0` (affected)	x64-based Systems
Microsoft	Windows 8.1	`6.3.0` (affected)	32-bit Systems, x64-based Systems, ARM64-based Systems
Microsoft	Windows Server 2008 Service Pack 2	`6.0.6003.0` (affected)	32-bit Systems
Microsoft	Windows Server 2008 Service Pack 2 (Server Core installation)	`6.0.6003.0` (affected)	32-bit Systems, x64-based Systems
Microsoft	Windows Server 2008 Service Pack 2	`6.0.6003.0` (affected)	x64-based Systems
Microsoft	Windows Server 2008 R2 Service Pack 1	`6.1.7601.0` (affected)	x64-based Systems
Microsoft	Windows Server 2008 R2 Service Pack 1 (Server Core installation)	`6.1.7601.0` (affected)	x64-based Systems
Microsoft	Windows Server 2012	`6.2.9200.0` (affected)	x64-based Systems
Microsoft	Windows Server 2012 (Server Core installation)	`6.2.9200.0` (affected)	x64-based Systems
Microsoft	Windows Server 2012 R2	`6.3.9600.0` (affected)	x64-based Systems
Microsoft	Windows Server 2012 R2 (Server Core installation)	`6.3.9600.0` (affected)	x64-based Systems

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

Windows Kernel Elevation of Privilege Vulnerability vendor-advisory

Web references (27)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

5022282 msrc
5022286 msrc
5022287 msrc
5022289 msrc
5022291 msrc
5022297 msrc
5022303 msrc
5022338 msrc
5022339 msrc
5022340 msrc
5022343 msrc
5022346 msrc
5022348 msrc
5022352 msrc
5022353 msrc
MSRC update guide: CVE-2023-21772 msrc
5022282 msrc
5022286 msrc
5022303 msrc
5022338 msrc
5022339 msrc
5022340 msrc
5022343 msrc
5022346 msrc
5022348 msrc
5022352 msrc
5022353 msrc

Remediations (14)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

‎Google Gemini

web:gemini.google.com

Meet Gemini, Google's AI assistant. Get help with writing, planning, brainstorming, and more. Experience the power of generative AI.

2026-06-04 11:14 UTC
Microsoft®Update Catalog

web:catalog.update.microsoft.com

Welcome to the Microsoft Update Catalog site. We want your feedback! Visit our newsgroup or send us an email to provide us with your thoughts and suggestions. To get started using the site, enter in your search terms in the Search box above or visit our FAQ for search tips. |Newsgroup|Send us your feedback Accessibilité : partiellement conforme

2026-06-04 11:14 UTC
Patch Tuesday - March 2026 - Rapid7

web:www.rapid7.com

Microsoft is publishing 77 vulnerabilities this Patch Tuesday, including two publicly disclosed zero-day vulnerabilities.

2026-06-04 11:14 UTC
Patch Tuesday - November 2025 - Rapid7

web:www.rapid7.com

Microsoft is publishing 66 new vulnerabilities today, which is far fewer than we've come to expect in recent months. However, the lone zero-day vulnerability this month demands attention.

2026-06-04 11:14 UTC
Security Update Guide - Microsoft

web:portal.msrc.microsoft.com

The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

2026-05-22 05:46 UTC
Security Updates - Red Hat Customer Portal

web:access.redhat.com

Learn about our open source products, services, and company. You are here

2026-05-22 05:46 UTC
CVE-2025-21772 | Ubuntu

web:ubuntu.com

Description In the Linux kernel, the following vulnerability has been resolved: partitions: mac: fix handling of bogus partition table Fix several issues in partition probing: - The bailout for a bad partoffset must use put_dev_sector (), since the preceding read_part_sector () succeeded. - If the partition table claims a silly sector size like 0xfff bytes (which results in partition table ...

2026-05-22 05:46 UTC
CVE: Common Vulnerabilities and Exposures

web:www.cve.org

At cve .org, we provide the authoritative reference method for publicly known information-security vulnerabilities and exposures

2026-05-22 05:46 UTC
Critical Patch Updates, Critical Security Patch Updates ... - Oracle

web:www.oracle.com

Critical Security Patch Updates Critical Security Patch Updates provide security patches for supported Oracle on-premises products. A Critical Security Patch Update provides targeted, high-priority security fixes in a smaller, more focused format, making them easier to apply with minimal disruption.

2026-05-22 05:46 UTC
Windows 11's Secure Boot fix update finally rolls out to ... - PCWorld

web:www.pcworld.com

Windows 11's Secure Boot fix update finally rolls out to more PCs Important security certificates for Windows 11 will soon expire for many users.

2026-05-22 05:46 UTC
Android Security Bulletins - Android Open Source Project

web:source.android.com

This Section contains the available Android Security Bulletins, which provide fixes for possible issues affecting Android devices.

2026-05-22 05:46 UTC
Google pushes massive Chrome security update to patch 127 flaws

web:cyberinsider.com

Google has released Chrome 148, one of the largest security update batches in the browser's history, patching 127 vulnerabilities.

2026-05-22 05:46 UTC
Critical Chrome Vulnerabilities Enables Remote Code Execution Attacks ...

web:cybersecuritynews.com

Google released a critical Chrome update fixing multiple high-risk vulnerabilities that could enable arbitrary code execution.

2026-05-22 05:46 UTC
NVD - Home

web:nvd.nist.gov

The NVD is the U.S. government repository of standards based vulnerability management data represented using the Security Content Automation Protocol (SCAP). This data enables automation of vulnerability management, security measurement, and compliance. The NVD includes databases of security checklist references, security-related software flaws, product names, and impact metrics. For ...

2026-05-22 05:46 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2023-21772.json.

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