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Google Android EUVDEUVD-2026-115411

| CVE-2026-58978 MEDIUM
Protection Mechanism Failure (CWE-693)
2026-11-02 google_android GHSA-hcgc-jc9f-gwcj
6.8
CVSS 3.1 · Vendor: google_android
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Obtain physical access to device
  2. Exploit
    Invoke flawed permission-check path
  3. Execution
    Bypass protection mechanism (logic error)
  4. Impact
    Escalate to elevated privileges

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V15 - Secure Coding and Architecture Protection mechanism completeness
Exploitation Conditions

Exploitation requires PHYSICAL access to the affected Android device (CVSS AV:P) - remote or network-based exploitation is not possible per the vector. No authentication or prior privileges are required (PR:N) and no user interaction is needed (UI:N), so once an attacker has physical possession/contact, the permission bypass can be triggered directly. The description does not name a specific feature, protocol, or configuration setting that must be enabled ('in multiple locations' / 'logic error in the code'), so no non-default configuration is identified as a prerequisite; the trigger mechanism is not described in the available sources. The decisive limiting factor is the physical-access requirement, which confines realistic risk to lost/stolen/seized/unattended-device (evil-maid-style) situations rather than remote or at-scale attacks. Affected builds are Android 14, 15, 16, 16-qpr2, and 17.

Impact

This is a moderate-severity Android privilege-escalation flaw (CVSS 6.8) whose real-world risk is tightly bounded by its attack vector. The CVSS vector CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H specifies a PHYSICAL attack vector (AV:P), meaning the attacker must have physical possession of or direct hardware contact with the device; despite PR:N and UI:N (no prior privileges or user interaction needed), the physical requirement is the dominant limiting factor and is why the base score lands at 6.8 rather than critical, even though the C/I/A impacts are all High. The exploitation signals are consistent and point to low urgency: EPSS is 0.13% (3rd percentile), the vulnerability is NOT in CISA KEV, and no public exploit or PoC reference appears in the provided sources - so there is no public exploit identified at time of analysis. The vuln.today decision label is 'this_month', indicating a routine-but-not-emergency patch cadence rather than act_now/emergency. The one point of friction worth flagging: the CWE is CWE-693 (Protection Mechanism Failure), and the description attributes the issue to a 'logic error' causing a 'permission bypass,' yet the CVSS codes PR:N and UI:N - the physical vector, not a remote/logical path, is what constrains this. There is no conflict between signals here: low EPSS, no KEV, and no PoC all align with a genuine but low-probability, physical-access-dependent issue rather than a widely exploitable remote bug.

Exploit ScenarioDerived

An attacker with physical access to an unlocked or lockscreen-exposed Android device (e.g., a lost, stolen, seized, or momentarily unattended handset) triggers the logic error in the permission-check code to bypass a protection boundary, escalating to higher privileges without needing any pre-existing credentials or user interaction. No public exploit code is available, so an attacker would need to develop their own against the affected Android builds. The physical-access requirement makes this an opportunistic or targeted device-compromise scenario (e.g., evil-maid, border/device-seizure, or lost-device recovery) rather than a scalable remote attack.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Nov 03, 2026

A permission bypass in Google Android 14, 15, 16, 16-qpr2 and 17 allows an attacker with physical access to the device to escalate privileges, with no authentication or user interaction required once that physical contact is achieved. Severity is moderate (CVSS 6.8, CWE-693 protection mechanism failure), and the practical exposure is confined to lost, stolen, seized or unattended-device scenarios rather than remote attacks. No public exploit is identified in the available data and EPSS is very low (0.13%, 3rd percentile); the Android security bulletin of 2026-11-01 is the reference, and no fixed version is listed in the supplied evidence.

RemediationAI

No vendor-released patch version is identified in the supplied evidence; the Android security bulletin at https://source.android.com/docs/security/bulletin/2026/2026-11-01 is the reference to check for the build-level fix and should be applied once the corresponding patch level is published for Android 14, 15, 16, 16-qpr2 and 17. Because exploitation requires physical access, the actionable interim control is to keep devices physically secured and to treat lost or unattended hardware as compromised: enable strong device locks, remote lock and remote wipe via device management, and restrict who can obtain prolonged physical contact with devices holding sensitive data. These measures reduce physical-access opportunities but do not remediate the underlying permission bypass, and they carry trade-offs in usability and recovery workflows; they should not be treated as a substitute for installing the vendor update when it becomes available.

Affected VersionsENISA

Android 14
Android 15
Android 17
Android 16
Android 16-qpr2

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Technical ContextAI · show details

The flaw is classified as CWE-693, Protection Mechanism Failure, arising from a logic error in permission-handling code present 'in multiple locations' within the Android platform. The affected CPE is cpe:2.3:a:google:android, and EUVD lists Android 14, 15, 16, 16-qpr2 and 17 as affected builds. The CVSS vector (AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) describes a locally reachable, low-complexity attack requiring no privileges and no user interaction, with high confidentiality and integrity impact and scope unchanged; because AV is Physical, the attack surface is device-adjacent rather than network-exposed. The sources do not name the specific component, protocol, or configuration setting involved, so the trigger is not described in the available sources; the assessment is limited to the permission-bypass class and the physical-access prerequisite.

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Severity by source

Vendor (google_android) PRIMARY 6.8 MEDIUM
AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vuln.today AI 6.8 MEDIUM

Physical access required (AV:P) and the flaw needs no prior privileges or interaction (PR:N/UI:N); a permission bypass yielding privilege escalation justifies High C/I/A with unchanged scope.

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

Primary rating from Vendor (google_android).

CVSS VectorVendor: google_android

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

Lifecycle Timeline

3
CVSS changed
Nov 03, 2026 - 16:22 NVD
6.8 (MEDIUM)
CVE Published
Nov 02, 2026 - 19:54 cve.org
MEDIUM 6.8
CVE Published
Nov 02, 2026 - 19:54 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

In multiple locations, there is a possible permission bypass due to a logic error in the code. This could lead to physical escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Threat Intelligence Overview

EPSS Score
0.1%
Top 97% exploitable
Prevalence
Ubiquitous
Android is one of the most widely deployed OS platforms worldwide
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.1%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation
None
System Exposure· derived
Small
Automatable
No
Human Impact· derived
High
Technical Impact
Total

Priority Score

34
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +34
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

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