CVE-2023-21802

CVEs › CVE-2023-21802

Description

Windows Media Remote Code Execution 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:N/UI:R/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 · Remote Code Execution
CWE(s): CWE-190
Reserved: 2022-12-16
Published: 2023-02-14 08:00 UTC
Last updated: 2023-02-14 08:00 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/21xxx/CVE-2023-21802.json
Linked Threat: CVE-2023-21802 — Windows Media Remote Code Execution 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-2023-25969
Assigner: microsoft
Published: Feb 14, 2023, 7:33:07 PM
Updated: Jan 1, 2025, 12:40:58 AM
EUVD base score (CVSS 3.1): 7.8 / 10
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
EUVD-reported EPSS: 1.9900
Vendors: Microsoft
Products: Windows 10 Version 1507 (10.0.10240.0 <10.0.10240.19747)

Windows Server 2022 (10.0.20348.0 <10.0.20348.1547)

Windows 10 Version 1809 (10.0.0 <10.0.17763.4010)

Windows Server 2008 Service Pack 2 (6.0.6003.0 <6.0.6003.21915)

Windows Server 2008 Service Pack 2 (6.0.6003.0 <6.0.6003.21915)

Windows Server 2016 (Server Core installation) (10.0.14393.0 <10.0.14393.5717)

Windows 10 Version 21H2 (10.0.19043.0 <10.0.19044.2604)

Windows Server 2012 (6.2.9200.0 <6.2.9200.24116)

Windows 10 Version 1607 (10.0.14393.0 <10.0.14393.5717)

Windows Server 2019 (10.0.17763.0 <10.0.17763.4010)

Windows Server 2016 (10.0.14393.0 <10.0.14393.5717)

Windows 10 Version 22H2 (10.0.19045.0 <10.0.19045.2604)

Windows Server 2008 R2 Service Pack 1 (Server Core installation) (6.1.7601.0 <6.1.7601.26366)

Windows Server 2012 R2 (6.3.9600.0 <6.3.9600.20821)

Windows Server 2012 R2 (Server Core installation) (6.3.9600.0 <6.3.9600.20821)

Windows 11 version 21H2 (10.0.0 <10.0.22621.1574)

Windows Server 2019 (Server Core installation) (10.0.17763.0 <10.0.17763.4010)

Windows Server 2008 R2 Service Pack 1 (6.1.7601.0 <6.1.7601.26366)

Windows Server 2008 Service Pack 2 (Server Core installation) (6.0.6003.0 <6.0.6003.21915)

Windows 10 Version 1809 (10.0.17763.0 <10.0.17763.4010)

Windows 11 version 22H2 (10.0.22621.0 <10.0.22621.1265)

Windows 10 Version 20H2 (10.0.0 <10.0.19042.2604)

Windows Server 2012 (Server Core installation) (6.2.9200.0 <6.2.9200.24116)
Aliases: GHSA-jhf4-xrh4-5595

ENISA description: Windows Media Remote Code Execution Vulnerability

EUVD references (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21802

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 2026-08-11 01:49 UTC (source: CVRF).

MS severity: Important
Impact: Remote Code Execution
MS CVSS base score: 7.8 / 10 (temporal 6.8)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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-Feb

Microsoft remediations / KB articles (28)

5022840 — Vendor Fix / Security Update (fixed build 10.0.17763.4010)
5022840 — Update
5022842 — Vendor Fix / Security Update (fixed build 10.0.20348.1547)
5022842 — Update
5022921 — Vendor Fix / Security Hotpatch Update (fixed build 10.0.20348.1540)
5022834 — Vendor Fix / Security Update (fixed build 10.0.19042.2604)
5022834 — Update
5022836 — Vendor Fix / Security Update (fixed build 10.0.22621.1574)
5022845 — Vendor Fix / Security Update (fixed build 10.0.22621.1265)
5022845 — Update
5022858 — Vendor Fix / Security Update (fixed build 10.0.10240.19747)
5022838 — Vendor Fix / Security Update (fixed build 10.0.14393.5717)
5022890 — Vendor Fix / Monthly Rollup (fixed build 6.0.6003.21915)
5022890 — Update
5022893 — Vendor Fix / Security Only (fixed build 6.0.6003.21915)
5022893 — Update
5022872 — Vendor Fix / Monthly Rollup (fixed build 6.1.7601.26366)
5022872 — Update
5022874 — Vendor Fix / Security Only (fixed build 6.1.7601.26366)
5022874 — Update
5022903 — Vendor Fix / Monthly Rollup (fixed build 6.2.9200.24116)
5022903 — Update
5022895 — Vendor Fix / Security Only (fixed build 6.2.9200.24116)
5022895 — Update
5022899 — Vendor Fix / Monthly Rollup (fixed build 6.3.9600.20821)
5022899 — Update
5022894 — Vendor Fix / Security Only (fixed build 6.3.9600.20821)
5022894 — Update

Microsoft FAQ (1)

According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?

The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally.

For example, when the score indicates that the Attack Vector is Local and User Interaction is Required, this could describe an exploit in which an attacker, through social engineering, convinces a victim to download and open a specially crafted file from a website which leads to a local attack on their computer.

Affected products (23)

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 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 Media Remote Code Execution Vulnerability vendor-advisory

Web references (28)

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

5022834 msrc
5022836 msrc
5022838 msrc
5022840 msrc
5022842 msrc
5022845 msrc
5022858 msrc
5022872 msrc
5022874 msrc
5022890 msrc
5022893 msrc
5022894 msrc
5022895 msrc
5022899 msrc
5022903 msrc
MSRC update guide: CVE-2023-21802 msrc
5022834 msrc
5022840 msrc
5022842 msrc
5022845 msrc
5022872 msrc
5022874 msrc
5022890 msrc
5022893 msrc
5022894 msrc
5022895 msrc
5022899 msrc
5022903 msrc

Remediations (17)

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

Security Updates - Red Hat Customer Portal

web:access.redhat.com

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

2026-06-04 01:12 UTC
‎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 01:12 UTC
Microsoft Patch Tuesday, December 2025 Edition - Krebs on Security

web:krebsonsecurity.com

Microsoft today pushed updates to fix at least 56 security flaws in its Windows operating systems and supported software. This final Patch Tuesday of 2025 tackles one zero-day bug that is already ...

2026-06-04 01:12 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 ...

2026-06-04 01:12 UTC
CISA flags two-year-old Oracle flaw as actively exploited in attacks

web:www.bleepingcomputer.com

CISA has ordered government agencies to secure their systems against a high-severity Oracle WebLogic Server vulnerability that was patched two years ago and is now actively exploited in attacks.

2026-06-04 01:12 UTC
January 2026 Patch Tuesday: Updates and Analysis | CrowdStrike

web:www.crowdstrike.com

Microsoft has released security updates for 114 vulnerabilities, including three zero-days, plus eight critical CVEs in its January 2026 Patch Tuesday rollout.

2026-06-04 01:12 UTC
Oracle Critical Patch Update Advisory - October 2024

web:www.oracle.com

Oracle Critical Patch Update Advisory - October 2024 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 ...

2026-06-04 01:12 UTC
Microsoft confirms patching issues in restricted Windows networks

web:www.bleepingcomputer.com

Microsoft says customers in restricted network environments may encounter Windows Update failures after installing the January 2026 optional non-security preview updates.

2026-05-22 05:47 UTC
Vulnerability Remediation vs. Mitigation: What are the Differences ...

web:www.secure.com

Learn the difference between vulnerability remediation and mitigation , and how a risk-based strategy can strengthen your security posture.

2026-05-22 05:47 UTC
February's Patch Tuesday release fixes 59 flaws ... - Computerworld

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 ...

2026-05-22 05:47 UTC
Microsoft Issues Massive Windows Patch for 160+ Bugs ... - TechRepublic

web:www.techrepublic.com

Microsoft's April 2026 Patch Tuesday fixes 165 vulnerabilities, including two zero-days, in one of the company's largest monthly security updates.

2026-05-22 05:47 UTC
Mitigate RedSun Zero-Day Without A Patch | Qualys

web:blog.qualys.com

Key Takeaways RedSun is a critical zero-day vulnerability in Microsoft Defender that allows low-privileged users to gain SYSTEM access No patch is currently available, leaving all Defender-enabled Windows systems potentially exposed Qualys VMDR detects affected assets instantly (QID 92382) TruRisk™ Eliminate enables immediate mitigation , removing exploitability without waiting for a fix ...

2026-05-22 05:47 UTC
Microsoft Patch Tuesday May 2026 - 120 Vulnerabilities Fixed, Including ...

web:cybersecuritynews.com

Microsoft's May 2026 Patch Tuesday lands with a heavy enterprise focus, fixing 120 vulnerabilities across Windows, Office, Azure, developer tools, and Microsoft 365 apps, including 29 remote code execution (RCE) flaws rated Critical.

2026-05-22 05:47 UTC
Resolving Sweet32, Birthday Attacks on Windows Servers Via GPO

web:www.experts-exchange.com

Learn more about Resolving Sweet32, Birthday Attacks on Windows Servers Via GPO from the expert community at Experts Exchange

2026-05-22 05:47 UTC
Microsoft Patch Tuesday - January 2026 - Lansweeper

web:www.lansweeper.com

Which vulnerabilities, issues, and other things did Microsoft update? Discover what's new using Lansweeper's Patch Tuesday January 2026 summary.

2026-05-22 05:47 UTC
Patch Tuesday May 2026: Security Updates & CVE Analysis

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 05:47 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 05:47 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2023-21802.json.

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