---
title: "CVE-2026-107782: System Informer - Broken Access Control"
description: "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."
url: https://panop.io/threat-heartbeat/CVE-2026-107782/
---

# 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 ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-107782)

## 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](https://cwe.mitre.org/data/definitions/863.html)

## 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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-107782](https://nvd.nist.gov/vuln/detail/CVE-2026-107782)
- [https://www.vulncheck.com/advisories/system-informer-before-4.0.26241.138-incorrect-authorization-in-phsvc-alpc-port](https://www.vulncheck.com/advisories/system-informer-before-4.0.26241.138-incorrect-authorization-in-phsvc-alpc-port)
- [https://github.com/winsiderss/systeminformer](https://github.com/winsiderss/systeminformer)
- [https://github.com/winsiderss/systeminformer/blob/v3.2.25011.2103/SystemInformer/phsvc/svcapiport.c#L196-L230](https://github.com/winsiderss/systeminformer/blob/v3.2.25011.2103/SystemInformer/phsvc/svcapiport.c#L196-L230)
- [https://github.com/winsiderss/systeminformer/commit/ce451a264a424f6f386b1615df651f8364aaeb9f](https://github.com/winsiderss/systeminformer/commit/ce451a264a424f6f386b1615df651f8364aaeb9f)
- [https://github.com/winsiderss/systeminformer/releases/tag/v4.0.26241.138](https://github.com/winsiderss/systeminformer/releases/tag/v4.0.26241.138)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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