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Google Chrome Android EUVDEUVD-2026-66041

| CVE-2026-78977 MEDIUM
Use of Uninitialized Resource (CWE-908)
2026-08-25 Chrome GHSA-q287-g725-23jg
6.5
CVSS 3.1 · Vendor: Chrome
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Severity by source

Vendor (Chrome) PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
vuln.today AI
6.5 MEDIUM

No privilege needed to serve a crafted page; UI:R captures required page visit; C:H reflects sandbox-contained memory read; I:N and A:N as no modification or disruption occurs.

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

Primary rating from Vendor (Chrome).

CVSS VectorVendor: Chrome

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

4
Analysis Generated
Aug 27, 2026 - 18:28 vuln.today
CVSS changed
Aug 27, 2026 - 17:22 NVD
6.5 (MEDIUM)
CVE Published
Aug 25, 2026 - 20:10 cve.org
UNKNOWN (no severity yet)
CVE Published
Aug 25, 2026 - 20:10 cve.org
MEDIUM 6.5

DescriptionCVE.org

Uninitialized resource in GPU in Google Chrome on on Android prior to 152.0.7977.65 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Low)

AnalysisAI

Memory disclosure in Google Chrome for Android (prior to 152.0.7977.65) exposes sandbox-contained memory via an uninitialized GPU resource, triggered when a victim loads a crafted HTML page. The flaw is platform-specific to Android and carries confidentiality-only impact bounded by Chrome's GPU sandbox isolation - no integrity or availability exposure. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Attacker crafts malicious HTML page targeting Chrome GPU
Delivery
Victim visits page in Chrome for Android (<152.0.7977.65)
Exploit
GPU processes uninitialized resource during rendering
Execution
Uninitialized memory contents exposed within sandbox
Persist
Attacker script reads in-sandbox memory
Impact
In-browser sensitive data potentially recovered

Vulnerability AssessmentAI

Exploitation Exploitation requires the target to be running Google Chrome specifically on Android (not desktop Chrome) at a version prior to 152.0.7977.65. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The NVD CVSS score of 6.5 Medium with vector AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N reflects network delivery, no authentication, and required user interaction with a high confidentiality impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker hosts a crafted HTML page engineered to trigger the GPU uninitialized resource flaw in Chrome for Android. A victim on an Android device running Chrome prior to 152.0.7977.65 visits the page - via phishing link, malvertising, or a compromised site - causing Chrome's GPU process to expose uninitialized memory to the attacker's JavaScript context. …
Remediation Update Google Chrome on Android to version 152.0.7977.65 or later, as documented in the Chrome stable channel advisory at http://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html. … Detailed patch versions, workarounds, and compensating controls in full report.

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EUVD-2026-66041 vulnerability details – vuln.today

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