How severe is CVE-2026-13893?

CVE-2026-13893 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-13893 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-13893?

CVE-2026-13893 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-13893?

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

When was CVE-2026-13893 published?

CVE-2026-13893 was published on 2026-06-30 and last updated on 2026-07-02.

CVE-2026-13893

CVE-2026-13893 is a medium-severity vulnerability in Google Chrome with a CVSS 3.x base score of 6.5. 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 6.5)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Google Chrome
Published: 2026-06-30
Last modified: 2026-07-02

Description

Insufficient validation of untrusted input in WebUI in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via malicious network traffic. (Chromium security severity: Medium)

Frequently asked questions

What is CVE-2026-13893?: Insufficient validation of untrusted input in WebUI in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via malicious network traffic. (Chromium security severity: Medium)
How severe is CVE-2026-13893?: CVE-2026-13893 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-13893 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-13893?: CVE-2026-13893 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-13893?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-13893 published?: CVE-2026-13893 was published on 2026-06-30 and last updated on 2026-07-02.

References

Affected products (1)

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

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