How severe is CVE-2026-17710?

CVE-2026-17710 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-17710 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-17710?

CVE-2026-17710 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-17710?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2026-17710 published?

CVE-2026-17710 was published on 2026-07-30 and last updated on 2026-08-03.

CVE-2026-17710

CVE-2026-17710 is a critical-severity vulnerability in Google Chrome with a CVSS 3.x base score of 9.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-693.

Key facts

Severity: Critical (CVSS 3.x base score 9.6)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-693
Affected product: Google Chrome
Published: 2026-07-30
Last modified: 2026-08-03

Description

Inappropriate implementation in MHTML 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: High)

Frequently asked questions

What is CVE-2026-17710?: Inappropriate implementation in MHTML 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: High)
How severe is CVE-2026-17710?: CVE-2026-17710 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-17710 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-17710?: CVE-2026-17710 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-17710?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-17710 published?: CVE-2026-17710 was published on 2026-07-30 and last updated on 2026-08-03.

References

Affected products (1)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

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