EUVD-2026-72203
GHSA-28gr-5rr3-xgxq
Severity by source
AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Local-only exploitation requiring System privilege (PR:H); double-free gives full memory control, justifying C:H/I:H/A:H; no scope change.
Primary rating from Vendor (MediaTek).
CVSS VectorVendor: MediaTek
Lifecycle Timeline
4DescriptionCVE.org
In camera middleware, there is a possible escalation of privilege due to double free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11134622; Issue ID: MSV-8894.
AnalysisAI
Privilege escalation via a double-free memory corruption bug in camera middleware affects 17 MediaTek chipset variants, allowing an attacker who has already gained System-level privilege to escalate further to higher privilege tiers without any user interaction. The flaw is confirmed by MediaTek in their September 2026 Product Security Bulletin under Patch ID ALPS11134622 and Issue ID MSV-8894. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to already possess System-level privileges on the target Android device - this is an elevated but sub-root privilege tier that is not normally accessible to third-party applications without an earlier compromise. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS base score of 6.7 accurately reflects the high privilege prerequisite (PR:H) - exploitation requires the attacker to already control a System-level process, a significant precondition that substantially curtails the realistic attacker population. … 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 | MediaTek has issued a fix under Patch ID ALPS11134622 (Issue ID MSV-8894), documented in the September 2026 MediaTek Product Security Bulletin at https://www.mediatek.com/product-security-bulletin/September-2026. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-415 – Double Free
View allSame technique Privilege Escalation
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External POC / Exploit Code
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