Windows Media
CVE-2025-29840 — Windows Media Remote Code Execution Vulnerability
Executive Summary
Stack-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
CVSS Vector
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
Required
SCOPE
Unchanged
Temporal Score: 7.7
EPSS Score
0.00808
probability of exploitation in the next 30 days
0.52047 percentile - updated 2026-06-20
View on FIRST.org
Affected Products
23 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Windows 10 for 32-bit Systems | 5058387 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 for x64-based Systems | 5058387 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1607 for 32-bit Systems | 5058383 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1607 for x64-based Systems | 5058383 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1809 for 32-bit Systems | 5058392 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 1809 for x64-based Systems | 5058392 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 21H2 for 32-bit Systems | 5058379 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 21H2 for ARM64-based Systems | 5058379 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 21H2 for x64-based Systems | 5058379 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 22H2 for 32-bit Systems | 5058379 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 22H2 for ARM64-based Systems | 5058379 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 10 Version 22H2 for x64-based Systems | 5058379 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 11 Version 22H2 for ARM64-based Systems | 5058405 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 11 Version 22H2 for x64-based Systems | 5058405 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 11 Version 23H2 for ARM64-based Systems | 5058405 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows 11 Version 23H2 for x64-based Systems | 5058405 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server 2016 | 5058383 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server 2016 (Server Core installation) | 5058383 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server 2019 | 5058392 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server 2019 (Server Core installation) | 5058392 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server 2022 | 5058385 (Security Update) 5058500 (SecurityHotpatchUpdate) |
Important | Remote Code Execution | Yes |
| Windows Server 2022 (Server Core installation) | 5058385 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server 2022, 23H2 Edition (Server Core installation) | 5058384 (Security Update) |
Important | Remote Code Execution | Yes |
Patches
8 patches
| Article | Type | Restart |
|---|---|---|
5058387 |
Security Update | Yes |
5058383 |
Security Update | Yes |
5058392 |
Security Update | Yes |
5058379 |
Security Update | Yes |
5058405 |
Security Update | Yes |
5058385 (Security Update) 5058500 |
Security Update | Yes |
5058385 |
Security Update | Yes |
5058384 |
Security Update | Yes |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
Dan Mattson with Microsoft
References
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