CVE-2026-25274 Use After Free in Windows WLAN Host
A use-after-free vulnerability in Qualcomm Snapdragon WLAN host allows attackers to execute arbitrary code or escalate privileges via concurrent DMA operations.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-25274?
CVE-2026-25274 is a medium-severity use after free vulnerability in Qualcomm Aqt1000 Firmware, published on 6 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory Corruption when processing concurrent DMA buffer allocation and deallocation commands without proper synchronization.
Weakness: CWE-416
Which versions are affected by CVE-2026-25274?
It affects 45 products.
Products include Qualcomm Aqt1000 Firmware, Qualcomm Cologne Firmware, Qualcomm Congo Firmware, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6800 Firmware and 39 more.
How do I fix CVE-2026-25274?
No fix has been published for CVE-2026-25274 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-25274 being exploited?
There is no known exploitation of CVE-2026-25274 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Aqt1000 Firmware
- CVE-2025-21479 Qualcomm Multiple Chipsets Incorrect Authorization
- CVE-2025-21480 Qualcomm Multiple Chipsets Incorrect Authorization
- CVE-2023-28562 Buffer Copy Without Checking Size of Input in QESL
- CVE-2022-40514 Buffer copy without checking size of input in WLAN Firmware
- CVE-2022-22096 Memory corruption in Snapdragon Connectivity, Snapdragon Mobile
Sources
Also known as GHSA-5cww-hhww-jff4.