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Google Chrome CVE-2026-17688

| EUVDEUVD-2026-50814 CRITICAL
Use After Free (CWE-416)
2026-07-30 Chrome GHSA-jfrf-4g9q-hwqj
9.6
CVSS 3.1 · Vendor: Chrome
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Severity by source

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

Network vector with user interaction to load a page, but AC:H because a prior renderer compromise and heap grooming are required; scope changes (S:C) as the browser process is escaped with full C/I/A impact.

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

Primary rating from Vendor (Chrome).

CVSS VectorVendor: Chrome

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

Lifecycle Timeline

4
Analysis Generated
Jul 30, 2026 - 16:40 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
CRITICAL 9.6

DescriptionCVE.org

Use after free in Input in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

AnalysisAI

Sandbox escape in Google Chrome desktop before 151.0.7922.72 stems from a use-after-free in the browser's Input handling, which an attacker who has already compromised the renderer process can leverage via a crafted HTML page to break out of the renderer sandbox. Rated High by Chromium and CVSS 9.6 due to scope change, it requires user interaction (visiting a malicious page) and a prior renderer foothold. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Lure victim to crafted HTML page
Delivery
Compromise renderer via separate bug
Exploit
Trigger Input use-after-free in browser process
Execution
Reclaim freed object to corrupt memory
Persist
Escape sandbox with browser-process privileges
Impact
Execute code outside renderer sandbox

Vulnerability AssessmentAI

Exploitation Exploitation requires that the attacker has ALREADY compromised the Chrome renderer process (an explicit prerequisite in the CVE description) and that the victim loads attacker-controlled content (UI:R - user interaction such as visiting a crafted HTML page). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The signals are mixed and must be weighed together. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker first compromises a Chrome renderer via a separate bug (e.g., a malicious ad or iframe), then lures the victim to a crafted HTML page that triggers the use-after-free in the browser process's Input handling to escape the sandbox and gain browser-process privileges. Chained with the initial renderer bug, this yields full code execution outside the sandbox. …
Remediation Vendor-released patch: 151.0.7922.72 - update Google Chrome to 151.0.7922.72 or later via the built-in updater (chrome://settings/help) and relaunch to apply, as described in the Chrome Releases advisory (https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, audit Chrome version distribution across the organization and establish an update timeline. …

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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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CVE-2026-17688 vulnerability details – vuln.today

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