CVE-2026-107782 System Informer - Broken Access Control

System Informer < 4.0.26241.138 contains an incorrect authorization vulnerability in the phsvc helper, letting local attackers execute code as SYSTEM by connecting from any Authenticode-signed process.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.11% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Remote Code Execution, Privilege Escalation
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
8 October 2026
Updated
15 October 2026
Weakness
CWE-863

Vendor fix

Update to version 4.0.26241.138 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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