How severe is CVE-2025-6179?

CVE-2025-6179 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-6179 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-6179?

CVE-2025-6179 affects Google Chrome Os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-6179?

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

Does CVE-2025-6179 have an EU (EUVD) identifier?

Yes. CVE-2025-6179 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18417.

When was CVE-2025-6179 published?

CVE-2025-6179 was published on 2025-06-16 and last updated on 2026-06-17.

CVE-2025-6179

CVE-2025-6179 is a critical-severity vulnerability in Google Chrome Os with a CVSS 3.x base score of 9.8. 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-276.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18417
Weakness: CWE-276
Affected product: Google Chrome Os
Published: 2025-06-16
Last modified: 2026-06-17

Description

Permissions Bypass in Extension Management in Google ChromeOS 16181.27.0 on managed Chrome devices allows a local attacker to disable extensions and access Developer Mode, including loading additional extensions via exploiting vulnerabilities using the ExtHang3r and ExtPrint3r tools.

Frequently asked questions

What is CVE-2025-6179?: Permissions Bypass in Extension Management in Google ChromeOS 16181.27.0 on managed Chrome devices allows a local attacker to disable extensions and access Developer Mode, including loading additional extensions via exploiting vulnerabilities using the ExtHang3r and ExtPrint3r tools.
How severe is CVE-2025-6179?: CVE-2025-6179 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-6179 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-6179?: CVE-2025-6179 affects Google Chrome Os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-6179?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-6179 have an EU (EUVD) identifier?: Yes. CVE-2025-6179 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18417.
When was CVE-2025-6179 published?: CVE-2025-6179 was published on 2025-06-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:google:chrome_os:16181.27.0:*:*:*:*:*:*:*

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