cve-2026-81352

HIGH CVSS 8.8 fkie_nvd
Description

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

Timeline
Published
unknown
Last Modified
unknown
CVSS Details
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
Affected Products
  • microsoft web_media_extensions
  • microsoft windows_10_21h2
  • microsoft windows_10_22h2
  • microsoft windows_11_23h2
  • microsoft windows_11_24h2
  • microsoft windows_11_25h2
  • microsoft windows_11_26h1
Weaknesses (CWE)
CVSS metrics
Version Base Severity Vector Exploitability Impact Source
3.1 8.8 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H 2.8 5.9 secure@microsoft.com
3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 3.9 5.9 nvd@nist.gov
CPE configurations
OR
CPE Version range Vulnerable
cpe:2.3:a:microsoft:web_media_extensions:*:*:*:*:*:*:*:* < 1.2.42.0 yes
OR
CPE Version range Vulnerable
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* < 10.0.19044.7725 no
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* < 10.0.19044.7725 no
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* < 10.0.19044.7725 no
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:* < 10.0.19045.7725 no
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* < 10.0.19045.7725 no
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:* < 10.0.19045.7725 no
OR
CPE Version range Vulnerable
cpe:2.3:a:microsoft:web_media_extensions:*:*:*:*:*:*:*:* < 2.1.51.0 yes
OR
CPE Version range Vulnerable
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:* no
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:* no
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* no
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* no
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:* no
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:* no
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:* no
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:* no
NVD metadata
NVD status
Analyzed
Source identifier
secure@microsoft.com
References
Linked Vulnerabilities

No linked vulnerabilities found.

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      "value": "Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network."
    }
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  "id": "CVE-2026-81352",
  "lastModified": "2026-09-23T15:39:40.480",
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      "tags": [
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        "Patch"
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}
Enrichment data
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