How severe is CVE-2026-76043?

CVE-2026-76043 has a CVSS 3.x base score of 8.8, rated high 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-2026-76043 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-76043?

CVE-2026-76043 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-76043?

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

When was CVE-2026-76043 published?

CVE-2026-76043 was published on 2026-08-18 and last updated on 2026-08-21.

CVE-2026-76043

CVE-2026-76043 is a high-severity vulnerability in Google Chrome with a CVSS 3.x base score of 8.8. 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-682.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-682
Affected product: Google Chrome
Published: 2026-08-18
Last modified: 2026-08-21

Description

Incorrect calculation in V8 in Google Chrome prior to 151.0.7922.169 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Frequently asked questions

What is CVE-2026-76043?: Incorrect calculation in V8 in Google Chrome prior to 151.0.7922.169 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
How severe is CVE-2026-76043?: CVE-2026-76043 has a CVSS 3.x base score of 8.8, rated high 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-2026-76043 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-76043?: CVE-2026-76043 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-76043?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-76043 published?: CVE-2026-76043 was published on 2026-08-18 and last updated on 2026-08-21.

References

Affected products (1)

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

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