CVE-2026-88229: Windows Media Player Remote Code Execution Vulnerability
This Microsoft advisory covers CVE-2026-88229 in Windows Server 2016 (Server Core installation), Windows Server 2019 (Server Core installation) and Windows Server 2022.
- CVE-2026-88229
Key facts
- Vendor rating
- High, CVSS 8.8
- 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· base score 8.8, scored by microsoftAttack vector: network. Attack complexity: low. Privileges required: none. User interaction: required. Scope: unchanged. Confidentiality impact: high. Integrity impact: high. Availability impact: high.- Weakness
- CWE-122: Heap-based Buffer Overflow
- CISA KEV
- Not listed (catalogue checked )
- Affected
- Windows 10 Version 1607 10.0.14393.0 before 10.0.14393.9688; Windows 10 Version 1809 10.0.17763.0 before 10.0.17763.9487; Windows 10 Version 21H2 10.0.19044.0 before 10.0.19044.7846 and 9 more below
- Fixed in
- 10.0.14393.9688, 10.0.17763.9487, 10.0.19044.7846 and 8 more below
- Source published
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Affected products & platforms
Description
Heap-based buffer overflow in Windows Media Player allows an unauthorized attacker to execute code over a network.
Affected products named by the advisory: Windows Server 2016; Windows Server 2016 (Server Core installation); Windows Server 2019; Windows Server 2019 (Server Core installation); and 3 more.
Affected products named by the advisory: Windows Server 2022; Windows Server 2025 (Server Core installation).
Text from the source record.
- Windows 10 Version 1607 10.0.14393.0 before 10.0.14393.9688
- Windows 10 Version 1809 10.0.17763.0 before 10.0.17763.9487
- Windows 10 Version 21H2 10.0.19044.0 before 10.0.19044.7846
- Windows 10 Version 22H2 10.0.19045.0 before 10.0.19045.7846
- Windows 11 version 23H2 10.0.22631.0 before 10.0.22631.7711
- Windows 11 Version 23H2 10.0.22631.0 before 10.0.22631.7711
- Windows 11 Version 24H2 10.0.26100.0 before 10.0.26100.9974
- Windows 11 Version 25H2 10.0.26200.0 before 10.0.26200.9974
- Windows 11 version 26H1 10.0.28000.0 before 10.0.28000.3501
- Windows 11 Version 26H2 10.0.26300.0 before 10.0.26300.9974
- Windows Server 2016 10.0.14393.0 before 10.0.14393.9688
- Windows Server 2016 (Server Core installation) 10.0.14393.0 before 10.0.14393.9688
Official advisory · high-confidence parse· fetched ·verify at source
How to fix CVE-2026-88229
Upgrade to a fixed release named by Microsoft:
- 10.0.14393.9688
- 10.0.17763.9487
- 10.0.19044.7846
- 10.0.19045.7846
- 10.0.22631.7711
- 10.0.26100.9974
- 10.0.26200.9974
- 10.0.28000.3501
- 10.0.26300.9974
- 10.0.20348.5870
- 10.0.26100.33822
End-of-life dates for Windows Server
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