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Google Chrome EUVDEUVD-2026-50784

| CVE-2026-17658 HIGH
Use After Free (CWE-416)
2026-07-30 Chrome GHSA-qp73-3238-xr3r
8.8
CVSS 3.1 · Vendor: Chrome
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Severity by source

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

Network-delivered malicious page needs no auth (PR:N) but requires the victim to open it (UI:R); code runs in the renderer sandbox so scope unchanged (S:U) with full CIA impact.

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SUSE
CRITICAL
qualitative
Red Hat
8.8 HIGH
qualitative

Primary rating from Vendor (Chrome).

CVSS VectorVendor: Chrome

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

Lifecycle Timeline

4
Analysis Generated
Jul 30, 2026 - 21:41 vuln.today
Patch available
Jul 30, 2026 - 02:02 EUVD
CVE Published
Jul 30, 2026 - 00:18 cve.org
UNKNOWN (no severity yet)
CVE Published
Jul 30, 2026 - 00:18 cve.org
HIGH 8.8

DescriptionCVE.org

Use after free in V8 in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

AnalysisAI

Remote code execution in Google Chrome's V8 JavaScript engine (versions prior to 151.0.7922.72) allows a remote attacker to run arbitrary code within the browser's renderer sandbox by luring a victim to a crafted HTML page. The flaw is a use-after-free (CWE-416) rated High by Chromium and CVSS 8.8, requiring user interaction (visiting a page) but no authentication. There is no public exploit identified at time of analysis and EPSS is low (0.35%, 28th percentile), consistent with a freshly patched, vendor-reported bug rather than one under active exploitation.

Technical ContextAI

The vulnerability resides in V8, the C++ JavaScript and WebAssembly engine that powers Chrome and all Chromium-derived browsers. Use-after-free (CWE-416) occurs when the engine continues to reference a heap object after it has been freed - in V8 this is typically triggered by JavaScript that manipulates object lifetimes (e.g., during garbage collection, optimization/deoptimization, or type transitions) so that a dangling pointer is later dereferenced. An attacker who controls the freed-then-reused memory can groom the heap to place attacker-chosen data where the stale pointer points, yielding memory corruption that can be steered into control-flow hijack. The CPE cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* confirms the affected product is the Google Chrome desktop application; the same code is present in other Chromium-based browsers, though only Chrome is named here.

RemediationAI

Vendor-released patch: update Google Chrome to 151.0.7922.72 or later via the Stable channel; verify the exact fixed build for your platform in Google's advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html. In managed environments, force the update by pushing the new package or setting policy to auto-update, then relaunch the browser so the new V8 binary is loaded (a restart is required for the fix to take effect). Until updates roll out, reduce exposure by restricting browsing to trusted sites, enabling a stricter Site Isolation posture, and considering enterprise policies that limit untrusted JavaScript execution - trade-off being reduced usability on legitimate sites; disabling JavaScript entirely would block the vector but breaks most modern web applications and is generally impractical. Users of other Chromium-based browsers should apply their vendor's corresponding update once it incorporates the fixed V8.

Vendor StatusVendor

SUSE

Severity: Critical
Product Status
SUSE Package Hub 15 SP7 Fixed
openSUSE Leap 16.0 Fixed
SUSE Package Hub 15 SP7 Affected

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EUVD-2026-50784 vulnerability details – vuln.today

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