EUVD-2026-63599
GHSA-wr7h-49gf-v6j2
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Sandbox escape implies scope change to S:C; all other metrics align with the network-delivered, one-click, unauthenticated trigger with full system impact.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
4DescriptionCVE.org
Buffer overflow in Network in Google Chrome prior to 151.0.7922.173 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
AnalysisAI
Remote code execution outside Chrome's sandbox via a heap-based buffer overflow in the Network component affects Google Chrome prior to 151.0.7922.173. An unauthenticated remote attacker can trigger the flaw by directing a target user to a crafted HTML page, achieving arbitrary code execution that escapes Chrome's sandbox boundary with full confidentiality, integrity, and availability impact (CVSS 8.8). …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The sole triggering condition is a user running Google Chrome prior to version 151.0.7922.173 loading or navigating to a crafted HTML page - no special Chrome configuration, extension state, or server-side setup is required. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.8 base score reflects a full-impact triad (C:H/I:H/A:H) with a low-complexity, no-privilege, network-reachable attack (AV:N/AC:L/PR:N) gated only by user interaction (UI:R). … 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 to version 151.0.7922.173 or later immediately; the vendor-released patch is confirmed via the Chrome Stable Channel Update advisory (https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0404570826.html). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, deploy Google Chrome 151.0.7922.173 or later through your endpoint management system and block all Chrome versions below this release at the application level. …
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Same weakness CWE-122 – Heap-based Buffer Overflow
View allVendor StatusVendor
SUSE
Severity: ImportantShare
External POC / Exploit Code
Leaving vuln.today