System Informer before 4.0.26241.138 Incorrect Authorization in phsvc ALPC Port
System Informer before 4.0.26241.138 contains an incorrect authorization vulnerability in the phsvc helper that allows local attackers to reach privileged APIs by connecting from any Authenticode-signed process. Attackers can load code into a Microsoft-signed host like rundll32.exe, connect to SiSvcApiPort, and call PhSvcApiCreateService to execute code as SYSTEM.
CVE-2026-107782
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-2026-107782
System Informer
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.
[
{
"repo": "https://github.com/winsiderss/systeminformer",
"vendor": "winsiderss",
"product": "System Informer",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "4.0.26241.138",
"versionType": "custom"
},
{
"status": "unaffected",
"version": "4.0.26241.138",
"versionType": "custom"
}
],
"packageURL": "pkg:github/winsiderss/systeminformer",
"collectionURL": "https://github.com/winsiderss/systeminformer",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-107782
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #21337 · Revision 1
- Added to Heist Feed
- Publisher date