How severe is CVE-2026-7989?

CVE-2026-7989 has a CVSS 3.x base score of 4.2, 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 none.

Is CVE-2026-7989 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-7989?

CVE-2026-7989 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-7989?

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

Does CVE-2026-7989 have an EU (EUVD) identifier?

Yes. CVE-2026-7989 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28081.

When was CVE-2026-7989 published?

CVE-2026-7989 was published on 2026-05-06 and last updated on 2026-06-17.

CVE-2026-7989

CVE-2026-7989 is a medium-severity vulnerability in Google Chrome with a CVSS 3.x base score of 4.2. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 4.2)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28081
Weakness: CWE-20
Affected product: Google Chrome
Published: 2026-05-06
Last modified: 2026-06-17

Description

Insufficient data validation in DataTransfer in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: Medium)

Frequently asked questions

What is CVE-2026-7989?: Insufficient data validation in DataTransfer in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: Medium)
How severe is CVE-2026-7989?: CVE-2026-7989 has a CVSS 3.x base score of 4.2, 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 none.
Is CVE-2026-7989 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-7989?: CVE-2026-7989 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-7989?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-7989 have an EU (EUVD) identifier?: Yes. CVE-2026-7989 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28081.
When was CVE-2026-7989 published?: CVE-2026-7989 was published on 2026-05-06 and last updated on 2026-06-17.

References

Affected products (1)

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

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