How severe is CVE-2026-106287?

CVE-2026-106287 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-106287 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-2026-106287?

CVE-2026-106287 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-106287?

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

When was CVE-2026-106287 published?

CVE-2026-106287 was published on 2026-10-06 and last updated on 2026-10-13.

CVE-2026-106287

CVE-2026-106287 is a medium-severity vulnerability in Google Chrome with a CVSS 3.x base score of 4.3. 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-221.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-221
Affected product: Google Chrome
Published: 2026-10-06
Last modified: 2026-10-13

Description

Information loss in CORS in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to bypass web origin policy via crafted network traffic. (Chromium security severity: Low)

Frequently asked questions

What is CVE-2026-106287?: Information loss in CORS in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to bypass web origin policy via crafted network traffic. (Chromium security severity: Low)
How severe is CVE-2026-106287?: CVE-2026-106287 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-106287 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-2026-106287?: CVE-2026-106287 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-106287?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-106287 published?: CVE-2026-106287 was published on 2026-10-06 and last updated on 2026-10-13.

References

Affected products (1)

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

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