How severe is CVE-2017-15403?

CVE-2017-15403 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-15403 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-15403?

CVE-2017-15403 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-15403?

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-2017-15403 published?

CVE-2017-15403 was published on 2019-01-09 and last updated on 2026-06-17.

CVE-2017-15403

CVE-2017-15403 is a high-severity vulnerability in Google Chrome with a CVSS 3.x base score of 7.3. 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-77.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 4.4
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Google Chrome
Published: 2019-01-09
Last modified: 2026-06-17

Description

Insufficient data validation in crosh could lead to a command injection under chronos privileges in Networking in Google Chrome on Chrome OS prior to 61.0.3163.113 allowed a local attacker to execute arbitrary code via a crafted HTML page.

Frequently asked questions

What is CVE-2017-15403?: Insufficient data validation in crosh could lead to a command injection under chronos privileges in Networking in Google Chrome on Chrome OS prior to 61.0.3163.113 allowed a local attacker to execute arbitrary code via a crafted HTML page.
How severe is CVE-2017-15403?: CVE-2017-15403 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-15403 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-15403?: CVE-2017-15403 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-15403?: 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-2017-15403 published?: CVE-2017-15403 was published on 2019-01-09 and last updated on 2026-06-17.

References

Affected products (1)

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

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