CVE-2026-24088 Missing Authentication for Critical Function in Boot

High 8.2 Published 1 Jun 2026 Updated 3 Jun 2026

Attackers can bypass authentication to write to the bootloader partition, enabling unauthorized code execution and privilege escalation on Qualcomm devices.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2026-24088?

CVE-2026-24088 is a high-severity missing authorization vulnerability in Qualcomm Ar9380 Firmware, published on 1 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Cryptographic Issue while processing a specific partition which allows unauthorized write access to load a customized bootloader.

Weakness: CWE-306

Which versions are affected by CVE-2026-24088?

It affects 246 products.

Products include Qualcomm Ar9380 Firmware, Qualcomm Csr8811 Firmware, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware and 240 more.

How do I fix CVE-2026-24088?

Apply the vendor's patch.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-24088 being exploited?

There is no known exploitation of CVE-2026-24088 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Qualcomm Ar9380 Firmware vulnerabilities

Sources

Also known as 4409568, A-489081076, ASB-A-489081076, GHSA-frc8-35g4-52pf.