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Android OS CVE-2026-49927

| EUVDEUVD-2026-74014 HIGH
Integer Overflow or Wraparound (CWE-190)
2026-09-08 security@android.com GHSA-qr9q-5q9q-f296
7.8
CVSS 3.1 · Vendor: android
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Severity by source

Vendor (android) PRIMARY
7.8 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vuln.today AI
7.8 HIGH

Local vector with low privileges matches standard installed-app execution; full CIA impact reflects total device compromise upon successful privilege escalation.

3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Sep 08, 2026 - 22:12 vuln.today
CVE Published
Sep 08, 2026 - 19:17 cve.org
HIGH 7.8

DescriptionCVE.org

In multiple locations, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

AnalysisAI

Local privilege escalation in Android 17 and Android 16-qpr2 stems from integer overflow vulnerabilities across multiple code locations, enabling out-of-bounds writes. A low-privileged local process or application can exploit these flaws without additional execution privileges or user interaction to gain full control over the device. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Local access is required - the attacker must have a process executing on the device with at least low-privilege access, such as a standard installed application (AV:L/PR:L per CVSS). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) vector accurately reflects the local-only attack surface: exploitation requires an installed, low-privileged process or application on the target 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 Android Security Bulletin for September 2026 (patch level 2026-09-01), referenced at https://source.android.com/docs/security/bulletin/2026/2026-09-01. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Inventory all Android 17 and Android 16-qpr2 devices across your organization and immediately restrict app installation to Google Play Store only, disabling sideloading where possible. …

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CVE-2026-49927 vulnerability details – vuln.today

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