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CVE-2026-17856

Google Chrome vulnerability

9.6 CRITICALEPSS 0.34%
  1. Published29 Jul 2026

Description

Inappropriate implementation in Network in Google Chrome on Mac 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: Medium)

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

Google Chrome< 151.0.7922.72

Remediation

Fixed in
Google Chrome≥ 151.0.7922.72

References

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Frequently asked

Is CVE-2026-17856 being actively exploited?

CVE-2026-17856 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.34%.

How severe is CVE-2026-17856?

CVE-2026-17856 has a CVSS 3.1 base score of 9.6, rated critical. EPSS estimates a 0.34% probability of exploitation.

Which products are affected by CVE-2026-17856?

Affected products include Google Chrome.

How do I fix CVE-2026-17856?

Upgrade affected software to a fixed version, for example Google Chrome 151.0.7922.72 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-17856 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.