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Google Chrome EUVDEUVD-2026-74528

| CVE-2026-87640 MEDIUM
Out-of-bounds Read (CWE-125)
2026-09-09 Chrome GHSA-9g2j-6gc9-33p2
6.1
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
6.1 MEDIUM
AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N
vuln.today AI
6.1 MEDIUM

Renderer-compromise prerequisite justifies AC:H; sandbox-boundary memory read justifies S:C/C:H; no write or availability impact means I:N/A:N.

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

Primary rating from NVD.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

6
Metadata Corrected
Sep 10, 2026 - 14:40 vuln.today
tag: Buffer Overflow removed
Analysis Generated
Sep 10, 2026 - 14:27 vuln.today
CVSS changed
Sep 10, 2026 - 14:22 NVD
6.1 (MEDIUM)
Patch available
Sep 09, 2026 - 01:03 EUVD
CVE Published
Sep 09, 2026 - 00:09 cve.org
UNKNOWN (no severity yet)
CVE Published
Sep 09, 2026 - 00:09 nvd
MEDIUM 6.1

DescriptionNVD

Out of bounds read in WebView in Google Chrome on on Android prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

AnalysisAI

Out-of-bounds memory read in the WebView component of Google Chrome on Android allows an attacker who has already compromised the renderer process to escape the sandbox and read arbitrary memory via a crafted HTML page. The vulnerability is fixed in Chrome 153.0.8010.36; all prior Android Chrome versions are affected. …

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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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Persist
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Vulnerability AssessmentAI

Exploitation Exploitation requires two conditions to be satisfied simultaneously: (1) the attacker must have already compromised the Chrome renderer process via a separate, unrelated vulnerability - this is a significant prerequisite that substantially raises the exploitation bar; and (2) the target must be running Google Chrome on Android (not desktop Chrome), specifically a version prior to 153.0.8010.36. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 6.1 score with vector AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N accurately reflects this vulnerability's two-stage nature: AC:H captures the non-trivial prerequisite of a already-compromised renderer, while S:C/C:H captures the meaningful sandbox-escape confidentiality impact once that bar is cleared. … 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 Update Google Chrome for Android to version 153.0.8010.36 or later; this is the vendor-released patch confirmed in the Chrome stable channel release notes at https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html. … Detailed patch versions, workarounds, and compensating controls in full report.

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EUVD-2026-74528 vulnerability details – vuln.today

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