EUVD-2026-33824
GHSA-wfc2-qmjr-85gw
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from Vendor (qualcomm) · only source for this CVE.
CVSS VectorVendor: qualcomm
Lifecycle Timeline
1DescriptionCVE.org
Memory corruption while processing multiple IOCTL command for escape operations.
AnalysisAI
Local privilege escalation in Qualcomm Snapdragon platforms is possible through memory corruption when processing multiple IOCTL commands for escape operations. The flaw, reported by Qualcomm in its June 2026 security bulletin, affects Snapdragon graphics/driver components and can be triggered by a low-privileged local user to achieve high impact on confidentiality, integrity, and availability. There is no public exploit identified at time of analysis, and the issue is not listed in CISA KEV.
Technical ContextAI
The vulnerability is a CWE-787 out-of-bounds write occurring in a kernel-mode driver on Qualcomm Snapdragon platforms when handling IOCTL 'escape' commands - vendor-defined side-channel calls typically used by GPU/display drivers to pass non-standard operations from user space into the kernel driver. Issuing multiple such IOCTL commands in sequence appears to corrupt driver memory, indicating insufficient state validation or bounds checking between calls. The affected CPE is cpe:2.3:a:qualcomm,_inc.:snapdragon, covering the broad Snapdragon SoC software stack typically deployed in Android handsets, automotive, IoT, and Windows-on-Snapdragon devices.
RemediationAI
Patch available per vendor advisory - apply the fixes referenced in the Qualcomm June 2026 security bulletin (https://docs.qualcomm.com/product/publicresources/securitybulletin/june-2026-bulletin.html) once they are integrated by the device OEM, since Snapdragon driver fixes typically reach end users via Android monthly security patch levels or OEM firmware updates rather than directly from Qualcomm. On Android, ensure devices are updated to a security patch level that incorporates the June 2026 Qualcomm fixes; on Windows-on-Snapdragon and embedded platforms, install the corresponding OEM firmware/driver update. As a compensating control until patches arrive, restrict installation of untrusted applications that could invoke the affected driver IOCTLs and, where feasible on managed Android fleets, enforce MDM policies blocking sideloaded apps - noting this does not eliminate risk from any pre-installed app or attacker with shell access.
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Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Buffer Overflow
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External POC / Exploit Code
Leaving vuln.today