CVE-2026-69979

MEDIUM

Published Oct 13, 2026 Modified Oct 16, 2026 CWE-424

Description

Improper protection of alternate path in Windows AppX Deployment Service allows an authorized attacker to bypass a security feature locally.

Is your site exposed to CVE-2026-69979?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS — Exploit Prediction

0.0035

Probability of exploitation

0.27%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-424 CWE-424

References

Other References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69979

Frequently Asked Questions

What is CVE-2026-69979? +

Improper protection of alternate path in Windows AppX Deployment Service allows an authorized attacker to bypass a security feature locally. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-69979? +

CVE-2026-69979 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0035, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-69979? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2025-4617

An insufficient policy enforcement vulnerability in Palo Alto Networks Prisma® Browser on Windows allows a locally authenticated non-admin user to …

CVE-2025-0113

A problem with the network isolation mechanism of the Palo Alto Networks Cortex XDR Broker VM allows attackers unauthorized access …

CVE-2024-8781

Execution with Unnecessary Privileges, : Improper Protection of Alternate Path vulnerability in TR7 Application Security Platform (ASP) allows Privilege Escalation, …

CVE-2026-82754

Improper Protection of Alternate Path vulnerability in ash-project ash_authentication_oauth2_server exposes the state-changing OAuth endpoints under an unintended URL prefix, bypassing …

CVE-2026-0237

An improper protection of alternate path vulnerability in Palo Alto Networks Prisma® Browser on macOS fails to properly restrict access …

CVE-2026-0268

A security control bypass vulnerability in Prisma Access Agent for Linux allows a local attacker to route network traffic outside …