High
Web Media Extensions Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network.
Announced Source revision 1
Original source ↗CVE-2026-81352
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-81352
Web Media Extensions
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "Microsoft",
"product": "Web Media Extensions",
"versions": [
{
"status": "affected",
"version": "1.0.0.0",
"lessThan": "1.2.42.0",
"versionType": "custom"
}
],
"platforms": [
"Windows 10 Version 21H2 for 32-bit Systems",
"Windows 10 Version 21H2 for ARM64-based Systems",
"Windows 10 Version 21H2 for x64-based Systems",
"Windows 10 Version 22H2 for 32-bit Systems",
"Windows 10 Version 22H2 for ARM64-based Systems",
"Windows 10 Version 22H2 for x64-based Systems",
"Windows 11 Version 23H2 for ARM64-based Systems",
"Windows 11 Version 23H2 for x64-based Systems",
"Windows 11 Version 24H2 for ARM64-based Systems",
"Windows 11 Version 24H2 for x64-based Systems",
"Windows 11 Version 25H2 for ARM64-based Systems",
"Windows 11 Version 25H2 for x64-based Systems",
"Windows 11 Version 26H1 for ARM64-based Systems",
"Windows 11 version 26H1 for x64-based Systems"
]
}
]- Related CVEs
- CVE-2026-81352
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #26266 · Revision 1
- Added to Heist Feed
- Publisher date