How severe is CVE-2026-9942?

CVE-2026-9942 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-9942 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-9942?

CVE-2026-9942 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-9942?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-9942 have an EU (EUVD) identifier?

Yes. CVE-2026-9942 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33084.

When was CVE-2026-9942 published?

CVE-2026-9942 was published on 2026-05-28 and last updated on 2026-06-17.

CVE-2026-9942

CVE-2026-9942 is a medium-severity vulnerability in Google Chrome with a CVSS 3.x base score of 5.0. 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-457.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33084
Weakness: CWE-457
Affected product: Google Chrome
Published: 2026-05-28
Last modified: 2026-06-17

Description

Uninitialized Use in ANGLE in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

Frequently asked questions

What is CVE-2026-9942?: Uninitialized Use in ANGLE in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)
How severe is CVE-2026-9942?: CVE-2026-9942 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-9942 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-9942?: CVE-2026-9942 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-9942?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-9942 have an EU (EUVD) identifier?: Yes. CVE-2026-9942 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33084.
When was CVE-2026-9942 published?: CVE-2026-9942 was published on 2026-05-28 and last updated on 2026-06-17.

References

Affected products (1)

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

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