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Android MediaProvider EUVDEUVD-2026-73996

| CVE-2026-28671 LOW
Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367)
2026-09-08 security@android.com GHSA-536m-8xwr-6r8p
3.3
CVSS 3.1 · Vendor: android

Severity by source

Vendor (android) PRIMARY
3.3 LOW
AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
vuln.today AI
2.5 LOW

Race condition exploitation requires winning a timing window (AC:H); local low-privilege access needed (AV:L/PR:L); only partial confidentiality impact with no integrity or availability effect.

3.1 AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
4.0 AV:L/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (android).

CVSS VectorVendor: android

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

5
Metadata Corrected
Sep 10, 2026 - 17:40 vuln.today
tag: Google added
Analysis Generated
Sep 10, 2026 - 17:24 vuln.today
CVSS changed
Sep 10, 2026 - 17:22 NVD
3.3 (LOW)
CVE Published
Sep 08, 2026 - 19:17 cve.org
LOW 3.3
CVE Published
Sep 08, 2026 - 19:17 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

In updateInternal of MediaProvider.java, there is a possible expose contents of files due to a race condition. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

AnalysisAI

Local information disclosure in Android's MediaProvider component affects Android 14 through 17 via a race condition in updateInternal of MediaProvider.java. An unprivileged local application can exploit a time-of-check-time-of-use (TOCTOU) window during a media record update operation to read file contents that should not be accessible, without requiring elevated privileges. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation Exploitation requires the attacker to have a locally installed application running on the target Android device with at least standard (low-privilege) user permissions - no root or system-level access is needed. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.3 (Low) rating is consistent with the bounded real-world risk: the attack vector is local (AV:L), a low-privilege app is required (PR:L), and impact is limited to partial confidentiality (C:L) with no integrity or availability loss. … 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 September 2026 Android Security Bulletin patch, available via the Android monthly security update for affected devices. … Detailed patch versions, workarounds, and compensating controls in full report.

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EUVD-2026-73996 vulnerability details – vuln.today

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