CVE-2023-21765
📛 CVE Title
Windows Print Spooler Elevation of Privilege Vulnerability
Description
Windows Print Spooler 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-190 - Reserved
- 2022-12-13
- Published
- 2023-01-10 08:00 UTC
- Last updated
- 2023-01-10 08:00 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/21xxx/CVE-2023-21765.json
- Linked Threat
- CVE-2023-21765 — Windows Print Spooler 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-2023-25932 - Assigner
- microsoft
- Published
- Jan 10, 2023, 12:00:00 AM
- Updated
- Jan 1, 2025, 12:36:07 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
- 2.0400
- Vendors
- Microsoft
- Products
-
Windows 10 Version 22H2 (10.0.19045.0 <10.0.19045.2486)Windows Server 2012 R2 (6.3.9600.0 <6.3.9600.20778)Windows 8.1 (6.3.0 <6.3.9600.20778)Windows 11 version 22H2 (10.0.22621.0 <10.0.22621.1105)Windows 10 Version 1607 (10.0.14393.0 <10.0.14393.5648)Windows 10 Version 1809 (10.0.0 <10.0.17763.3887)Windows Server 2012 R2 (Server Core installation) (6.3.9600.0 <6.3.9600.20778)Windows 7 Service Pack 1 (6.1.0 <6.1.7601.26321)Windows Server 2008 Service Pack 2 (6.0.6003.0 <6.0.6003.21872)Windows Server 2008 Service Pack 2 (Server Core installation) (6.0.6003.0 <6.0.6003.21872)Windows Server 2008 Service Pack 2 (6.0.6003.0 <6.0.6003.21872)Windows 10 Version 20H2 (10.0.0 <10.0.19042.2486)Windows Server 2008 R2 Service Pack 1 (6.1.7601.0 <6.1.7601.26321)Windows 10 Version 21H2 (10.0.19043.0 <10.0.19044.2486)Windows Server 2022 (10.0.20348.0 <10.0.20348.1487)Windows Server 2012 (6.2.9200.0 <6.2.9200.24075)Windows 10 Version 1507 (10.0.10240.0 <10.0.10240.19685)Windows Server 2016 (10.0.14393.0 <10.0.14393.5648)Windows 7 (6.1.0 <6.1.7601.26321)Windows 10 Version 1809 (10.0.17763.0 <10.0.17763.3887)Windows Server 2012 (Server Core installation) (6.2.9200.0 <6.2.9200.24075)Windows Server 2016 (Server Core installation) (10.0.14393.0 <10.0.14393.5648)Windows Server 2019 (10.0.17763.0 <10.0.17763.3887)Windows Server 2019 (Server Core installation) (10.0.17763.0 <10.0.17763.3887)Windows 11 version 21H2 (10.0.0 <10.0.22000.1455)Windows Server 2008 R2 Service Pack 1 (Server Core installation) (6.1.7601.0 <6.1.7601.26321)
- Aliases
-
GHSA-8r23-66w7-v2h6
ENISA description: Windows Print Spooler Elevation of Privilege Vulnerability
EUVD references (1)
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 01:00 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 Print Spooler 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-2023-21765 msrc
- 5022282 msrc
- 5022286 msrc
- 5022303 msrc
- 5022338 msrc
- 5022339 msrc
- 5022340 msrc
- 5022343 msrc
- 5022346 msrc
- 5022348 msrc
- 5022352 msrc
- 5022353 msrc
Remediations (15)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:www.notebookcheck.net
Nightmare-Eclipse has released YellowKey, a fully BitLocker encrypted disk bypass for vulnerable Windows 11 and Server systems. The hack leverages code left behind in the WinRE recovery ...
2026-06-04 10:44 UTC -
web:www.oracle.com
Oracle Critical Patch Update Advisory - July 2025 Description A Critical Patch Update is a collection of patches for multiple security vulnerabilities. These patches address vulnerabilities in Oracle code and in third party components included in Oracle products. These patches are usually cumulative, but each advisory describes only the security patches added since the previous Critical Patch ...
2026-06-04 10:44 UTC -
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 10:44 UTC -
web:www.helpnetsecurity.com
September 2025 Patch Tuesday is now live: Microsoft, Adobe, SAP deliver critical fixes for September 2025 Patch Tuesday We work in an industry driven by Common Vulnerabilities and Exposures ( CVE ).
2026-06-04 10:44 UTC -
web:www.computerworld.com
Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. The company's Patch Tuesday release for February ...
2026-06-04 10:44 UTC -
web:www.helpnetsecurity.com
Microsoft is working on a fix for CVE -2026-45585 (aka "Yellowkey"), a vulnerability that can be used to bypass Windows' BitLocker protection.
2026-05-22 05:46 UTC -
web:www.linkedin.com
Microsoft Security Response Center has issued an emergency mitigation for a newly disclosed BitLocker bypass vulnerability known as "YellowKey," after security researchers publicly released ...
2026-05-22 05:46 UTC -
web:www.notebookcheck.net
Microsoft confirmed that its April 2026 security updates, including KB5082063 and KB5083769, are triggering BitLocker recovery prompts on some Windows Server 2025, Windows 11, and Windows 10 devices.
2026-05-22 05:46 UTC -
web:www.securityweek.com
Microsoft has announced mitigations for CVE -2026-45585, a BitLocker bypass triggered via FsTx in Windows Recovery.
2026-05-22 05:46 UTC -
web:cybersecuritynews.com
No patch has been released yet; Microsoft has instead issued a multi-step manual mitigation guide while a formal security update is prepared. Windows BitLocker Security Bypass The vulnerability originates in WinRE's handling of the BootExecute registry value under HKLM\ControlSet001\Control\Session Manager.
2026-05-22 05:46 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-05-22 05:46 UTC -
web:isc.sans.edu
Users should prioritize patching these vulnerabilities to prevent unauthorized code execution. Additionally, the Windows Kerberos Elevation of Privilege Vulnerability ( CVE -2025-53779), a disclosed zero-day, requires high privileges to exploit but could lead to domain administrator access, necessitating careful monitoring and mitigation .
2026-05-22 05:46 UTC -
web:krebsonsecurity.com
Microsoft Corp. today issued security updates to fix more than 80 vulnerabilities in its Windows operating systems and software. There are no known "zero-day" or actively exploited vulnerabilities ...
2026-05-22 05:46 UTC -
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 -
web:windowsreport.com
The newly exposed Windows security flaw, dubbed "YellowKey," has become a major headache for Microsoft. After the exploit details leaked publicly alongside a working proof-of-concept, the company has now rushed out official mitigation guidance while it prepares a permanent fix . The vulnerability reportedly targets BitLocker-protected systems and could allow attackers direct access to ...
2026-05-22 05:46 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2023-21765.json.
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