OnlyFm252
Windows Media

CVE-2025-53131 — Windows Media Remote Code Execution Vulnerability

Important CVSS 8.8 EPSS 0.00843 2025-08 archive

Executive Summary

Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.

Overview

8.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Remote Code Execution
Released Aug 12 2025
Last Updated Aug 12 2025
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00843 — 0.53111 percentile
NVD CVSS 8.8 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
Required
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 7.7

EPSS Score

0.00843
probability of exploitation in the next 30 days
0.53111 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

15 affected products
Product KB Article Severity Impact Restart Required
Windows 10 Version 1809 for 32-bit Systems 5063877 (Security Update) Important Remote Code Execution Yes
Windows 10 Version 1809 for x64-based Systems 5063877 (Security Update) Important Remote Code Execution Yes
Windows 10 Version 21H2 for 32-bit Systems 5063709 (SecurityUpdate) Important Remote Code Execution Yes
Windows 10 Version 21H2 for ARM64-based Systems 5063709 (SecurityUpdate) Important Remote Code Execution Yes
Windows 10 Version 21H2 for x64-based Systems 5063709 (SecurityUpdate) Important Remote Code Execution Yes
Windows 10 Version 22H2 for 32-bit Systems 5063709 (SecurityUpdate) Important Remote Code Execution Yes
Windows 10 Version 22H2 for ARM64-based Systems 5063709 (SecurityUpdate) Important Remote Code Execution Yes
Windows 10 Version 22H2 for x64-based Systems 5063709 (SecurityUpdate) Important Remote Code Execution Yes
Windows 11 Version 22H2 for ARM64-based Systems 5063875 (Security Update) Important Remote Code Execution Yes
Windows 11 Version 22H2 for x64-based Systems 5063875 (Security Update) Important Remote Code Execution Yes
Windows 11 Version 23H2 for ARM64-based Systems 5063875 (Security Update) Important Remote Code Execution Yes
Windows 11 Version 23H2 for x64-based Systems 5063875 (Security Update) Important Remote Code Execution Yes
Windows 11 Version 24H2 for ARM64-based Systems 5063878 (Security Update) 5064010 (SecurityHotpatchUpdate) Important Remote Code Execution 5062553 Base: 8.8 Temporal: 7.7 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 10.0.26100.4946 10.0.26100.4851 Yes None Windows 11 Version 24H2 for x64-based Systems 5063878 (Security Update) 5064010 (SecurityHotpatchUpdate) Important Remote Code Execution 5062553 Base: 8.8 Temporal: 7.7 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 10.0.26100.4946 10.0.26100.4851 Yes None Windows Server 2019 5063877 (Security Update) Important Remote Code Execution Yes
Windows Server 2019 (Server Core installation) 5063877 (Security Update) Important Remote Code Execution Yes
Windows Server 2022 5063880 (SecurityUpdate) 5063812 (SecurityHotpatchUpdate) Important Remote Code Execution 5062572 Base: 8.8 Temporal: 7.7 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 10.0.20348.4052 10.0.20348.3989 Yes None Windows Server 2022 (Server Core installation) 5063880 (SecurityUpdate) 5063812 (SecurityHotpatchUpdate) Important Remote Code Execution 5062572 Base: 8.8 Temporal: 7.7 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 10.0.20348.4052 10.0.20348.3989 Yes None Windows Server 2022, 23H2 Edition (Server Core installation) 5063899 (SecurityUpdate) Important Remote Code Execution Yes

Patches

4 patches
Article Type Restart
5063877 Security Update Yes
5063709 SecurityUpdate Yes
5063875 Security Update Yes
5063899 SecurityUpdate Yes

Known Exploits

Acknowledgments

Kai Lu of Palo Alto Networks

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