EUVD-2026-84348
GHSA-7589-5w9g-7ppp
Severity by source
AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Local-only insecure temp-file handling exploitable by an existing low-privilege process (AV:L, PR:L) with no user interaction, escalating across a trust boundary (S:C) to full device compromise (C/I/A:H).
Primary rating from Vendor (qualcomm).
CVSS VectorVendor: qualcomm
Lifecycle Timeline
2DescriptionCVE.org
Privilege escalation due to weak configuration while temporary file handling.
AnalysisAI
Local privilege escalation in Qualcomm Snapdragon platforms allows a low-privilege on-device process or app to cross a trust boundary and gain system-level control by abusing insecurely handled temporary files. The issue is tracked as CVE-2026-25265 with a vendor/assessed CVSS 3.1 score of 8.8 (AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H), meaning exploitation requires local access and low privileges but no user interaction, and results in high confidentiality, integrity, and availability impact. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires local access with low privileges already on a Snapdragon-based device - i.e., an attacker-controlled or compromised low-privilege process/app running on the device (AV:L, PR:L, UI:N). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The vendor CVSS 3.1 vector (AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H = 8.8 High) describes a locally-exploitable, low-complexity privilege escalation requiring only low existing privileges and no user interaction, with a scope change and full confidentiality/integrity/availability compromise - consistent with a malicious or compromised app breaking out of its sandbox to gain system-level control via insecure temporary-file handling (CWE-378). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch version is identified in the provided data at time of analysis; apply the applicable Qualcomm security patch and OEM firmware update referenced in the Qualcomm June 2026 bulletin (https://docs.qualcomm.com/product/publicresources/securitybulletin/june-2026-bulletin.html) and confirm the exact fixed build with Qualcomm or the device OEM. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Qualcomm Snapdragon-based devices and cross-reference the Qualcomm June 2026 product security bulletin to determine affected chipset and firmware versions. …
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External POC / Exploit Code
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