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High severity · published May 13, 2025
CVE-2025-29964
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network
8.8
CVSS
1.1%
EPSS
No
On KEV
Description
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
W1
Windows 10 1809 · Microsoft
before 10.0.17763.7314; before 10.0.17763.7314 · source: NVD
W1
Windows 10 21h2 · Microsoft
before 10.0.19044.5854; before 10.0.19044.5854; before 10.0.19044.5854 · source: NVD
W1
Windows 10 22h2 · Microsoft
before 10.0.19045.5854; before 10.0.19045.5854; before 10.0.19045.5854 · source: NVD
W1
Windows 11 22h2 · Microsoft
before 10.0.22621.5335; before 10.0.22621.5335 · source: NVD
W1
Windows 11 23h2 · Microsoft
before 10.0.22631.5335; before 10.0.22631.5335 · source: NVD
W1
Windows 11 24h2 · Microsoft
before 10.0.26100.4061; before 10.0.26100.4061 · source: NVD
WS
Windows Server 2019 · Microsoft
before 10.0.17763.7314 · source: NVD
WS
Windows Server 2022 · Microsoft
before 10.0.20348.3692 · source: NVD
WS
Windows Server 2022 23h2 · Microsoft
before 10.0.25398.1611 · source: NVD
WS
Windows Server 2025 · Microsoft
before 10.0.26100.4061 · source: NVD
Affected product
W1
Windows 10 1809
Microsoft
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-29964
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-29964
Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29964
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