Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Improper neutralization of parameter/argument delimiters in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVE-2026-66323
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-2026-66323
Microsoft Edge for Android
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
Microsoft Edge for iOS
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Microsoft Edge for Linux
Source reference: /containers/cna/affected/2/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Microsoft Edge for MAC
Source reference: /containers/cna/affected/3/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Microsoft Edge for Windows
Source reference: /containers/cna/affected/4/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": "Microsoft Edge for Android",
"versions": [
{
"status": "affected",
"version": "1.0.0.0",
"lessThan": "152.0.4191.52",
"versionType": "custom"
}
]
},
{
"vendor": "Microsoft",
"product": "Microsoft Edge for iOS",
"versions": [
{
"status": "affected",
"version": "1.0.0.0",
"lessThan": "152.0.4191.52",
"versionType": "custom"
}
]
},
{
"vendor": "Microsoft",
"product": "Microsoft Edge for Linux",
"versions": [
{
"status": "affected",
"version": "1.0.0",
"lessThan": "152.0.4191.52",
"versionType": "custom"
}
]
},
{
"vendor": "Microsoft",
"product": "Microsoft Edge for MAC",
"versions": [
{
"status": "affected",
"version": "1.0.0.0",
"lessThan": "152.0.4191.52",
"versionType": "custom"
}
]
},
{
"vendor": "Microsoft",
"product": "Microsoft Edge for Windows",
"versions": [
{
"status": "affected",
"version": "1.0.0.0",
"lessThan": "152.0.4191.52",
"versionType": "custom"
}
]
}
]- Related CVEs
- CVE-2026-66323
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #49897 · Revision 1
- Added to Heist Feed
- Publisher date