How severe is CVE-2026-79289?

CVE-2026-79289 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-79289 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-79289?

CVE-2026-79289 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-79289?

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

When was CVE-2026-79289 published?

CVE-2026-79289 was published on 2026-08-25 and last updated on 2026-08-31.

CVE-2026-79289

CVE-2026-79289 is a low-severity vulnerability in Google Chrome with a CVSS 3.x base score of 3.1. 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-664.

Key facts

Severity: Low (CVSS 3.x base score 3.1)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-664
Affected product: Google Chrome
Published: 2026-08-25
Last modified: 2026-08-31

Description

Improper control of a resource through its lifetime in Workers in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Low)

Frequently asked questions

What is CVE-2026-79289?: Improper control of a resource through its lifetime in Workers in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Low)
How severe is CVE-2026-79289?: CVE-2026-79289 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-79289 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-79289?: CVE-2026-79289 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-79289?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-79289 published?: CVE-2026-79289 was published on 2026-08-25 and last updated on 2026-08-31.

References

Affected products (1)

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

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