EUVD-2026-72204
GHSA-pg8r-wq7v-mq7g
Severity by source
AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Local attack vector and high privilege requirement (System) are accurately reflected; full CIA impact from memory corruption enabling further escalation is warranted.
Primary rating from Vendor (MediaTek).
CVSS VectorVendor: MediaTek
Lifecycle Timeline
5DescriptionCVE.org
In SurfaceFlinger, there is a possible memory corruption due to use after 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: ALPS11123860; Issue ID: MSV-8890.
AnalysisAI
Memory corruption via use-after-free in the Android SurfaceFlinger graphics compositor, present on specific MediaTek chipsets (MT6881, MT6993, MT6858, MT8668), enables a local attacker who has already obtained System-level privilege to escalate to higher privileges - potentially root or kernel - without any user interaction. Reported by MediaTek in the September 2026 Security Bulletin under Patch ID ALPS11123860 and Issue ID MSV-8890. …
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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 privilege (PR:H) on the target Android device - this is an above-app-level privilege, not achievable by an ordinary installed application without a prior separate exploit. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The provided CVSS 3.1 vector (AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) scores 6.7, reflecting the fundamental constraint that exploitation requires prior System-level privilege on the device. … 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 | Apply the patch released by MediaTek under Patch ID ALPS11123860, available via 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-416 – Use After Free
View allSame technique Privilege Escalation
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External POC / Exploit Code
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