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Android CVE-2026-45521

| EUVDEUVD-2026-74000 LOW
Protection Mechanism Failure (CWE-693)
2026-09-08 security@android.com GHSA-jwjv-q32g-xwvj
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
3.3 LOW

Local-only attack via installed app with normal privileges; limited read-only confidentiality impact, no integrity or availability effect.

3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.0 AV:L/AC:L/AT:N/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

6
Metadata Corrected
Sep 10, 2026 - 16:40 vuln.today
tag: Android added
Metadata Corrected
Sep 10, 2026 - 16:40 vuln.today
tag: Google added
Analysis Generated
Sep 10, 2026 - 16:28 vuln.today
CVSS changed
Sep 10, 2026 - 16:22 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 openFile of AppFuseBridge.java, there is a possible information disclosure due to a missing permission check. 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 AppFuseBridge framework component allows any installed app to read files or data it lacks permission to access. The vulnerability exists in the openFile() method of AppFuseBridge.java, where a missing permission check (CWE-693) permits a low-privileged local process to bypass access controls without user interaction. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires a locally installed application running on the affected device with at least normal (non-root) user-level privileges - consistent with CVSS PR:L. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Real-world risk is low. … 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 patches available via OTA update or vendor-provided firmware for affected Android 14-17 devices. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-45521 vulnerability details – vuln.today

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