Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessGain physical access to iOS device
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ExploitInteract with vulnerable Chrome build
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ImpactRead leaked sensitive information
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Data exposure prevention
MITRE ATT&CK
2 techniques across 2 tactics: Collection, Discovery The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | Exploitation requires direct physical access to an iOS device running Google Chrome prior to version 155.0.8059.39; the attacker must be able to handle the device locally (AV:P). No network path, no authentication, and no victim interaction are involved once physical access is obtained (PR:N/UI:N). The decisive limiting factors are the need for hands-on possession of the specific device and a vulnerable Chrome iOS build - devices updated to 155.0.8059.39 or later, or kept out of untrusted physical reach, are not exposed. Impact is limited to disclosure of sensitive information (C:H); there is no integrity or availability effect. |
| Impact | This is a low real-world priority despite a moderate CVSS of 4.6. The CVSS vector CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N shows the dominant constraint is AV:P (Physical) - the attacker needs physical access to the device, which is the single largest limiting factor and the reason Chromium itself rates this severity as Low. While PR:N and UI:N mean no authentication or victim interaction is needed once physical access is obtained, and C:H indicates high confidentiality impact, the physical-access requirement makes mass or remote exploitation impossible. No EPSS score, KEV listing, or POC was provided in the input; absence of these is consistent with a low-severity information-disclosure issue rather than a widely-exploited flaw. There are no conflicting signals here: the network-independent physical vector aligns with the description's 'local attacker ... via physical access.' Overall this is a high-CVSS-relative-to-impact but low-real-risk issue for typical fleets, more relevant to lost/stolen/unattended-device and forensic/evil-maid threat models than to broad attack campaigns. |
| Exploit ScenarioDerived | An attacker with temporary physical possession of an unlocked or inadequately protected iOS device running a pre-155.0.8059.39 version of Chrome interacts with the device locally to read sensitive information that Chrome exposes on the device. No exploit code was identified in the provided data, and the attack cannot be performed remotely or without hands-on access to the handset. |
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Alert meAnalysisAIv1 – Oct 06, 2026
Information disclosure in Google Chrome for iOS before 155.0.8059.39 allows an attacker with hands-on physical access to the device to obtain sensitive information through the browser's Mobile component. The flaw scores CVSS 3.1 base 4.6 (AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N), reflecting a high confidentiality impact that is heavily offset by the requirement for physical possession of the device; authentication or user interaction beyond having the unlocked device is not required per the assessed vector. No public exploit code has been identified at time of analysis, and Google rates the Chromium security severity as Low, so this is a low real-world priority despite the moderate score.
RemediationAI
Vendor-released patch: 155.0.8059.39 - upgrade Google Chrome on iOS to 155.0.8059.39 or later via the App Store, and verify the installed version under Chrome settings since app updates may lag on managed or low-storage devices. The fix is available per the Chrome stable channel advisory (https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html), which is the primary reference. Where immediate updating is not possible, compensating controls should focus on the physical-access prerequisite: enforce a device passcode with a short auto-lock timeout and biometric unlock, avoid viewing or caching high-sensitivity content in Chrome on iOS, and use MDM to require a minimum Chrome app version and to push updates automatically - the trade-off is that MDM-enforced version pinning can force disruptive app restarts and may break users on older iOS versions, and strict auto-lock and content restrictions reduce usability. Because no public exploit code has been identified, there is no urgency to remove the browser or block features; the residual risk is borne by devices that are left unlocked and physically reachable by untrusted parties, so restricting physical custody of such devices is the most effective stopgap until the update lands.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
The root cause class is CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor), meaning data that should remain protected is rendered observable or retrievable in a context the attacker can reach. The affected component is Chrome's Mobile layer on iOS; because iOS requires all browsers to render through Apple's WebKit engine, Chrome for iOS combines Chromium's own UI, sync, and profile/state handling on top of a WebKit-based rendering path, and the advisory attributes the leak to the Mobile browser code rather than the underlying engine. The AV:P vector element is decisive: the vulnerability is only reachable when an attacker can physically handle the device, meaning the leak surfaces through local on-device state (for example browser surfaces or stored content exposed while the device is in an attacker's hands) rather than over any network path. No network vector, no privileges, and no victim interaction are required once physical access exists, but the attacker must already possess the specific iOS device running a vulnerable Chrome build. The Chromium issue tracker entry (524681280) and the Chrome stable channel release notes are the authoritative technical references; the advisory does not enumerate the exact data type disclosed, so the precise leaked artifact is unspecified. The generic CPE cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* is platform-agnostic and does not isolate the iOS build, so version and platform targeting should be driven by the advisory and EUVD entry (EUVD-2026-93614) rather than by the CPE alone.
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Severity by source
AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Physical access is required (AV:P) with no auth or interaction; impact is information disclosure only, so C:H and I:A:N, matching the stated local physical-access leak.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
Lifecycle Timeline
4DescriptionCVE.org
Information leak in Mobile in Google Chrome on on iOS prior to 155.0.8059.39 allowed a local attacker to obtain sensitive information via physical access. (Chromium security severity: Low)
Threat Intelligence Overview
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
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EUVD-2026-93614
GHSA-pqxp-m4w8-547p
NVD
CVE.org
EPSS
Vulnrichment
VulDB
Exploit-DB