How severe is CVE-2025-8582?

CVE-2025-8582 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-2025-8582 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-8582?

CVE-2025-8582 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-8582?

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

Does CVE-2025-8582 have an EU (EUVD) identifier?

Yes. CVE-2025-8582 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23903.

When was CVE-2025-8582 published?

CVE-2025-8582 was published on 2025-08-07 and last updated on 2026-06-17.

CVE-2025-8582

CVE-2025-8582 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-23903
Weakness: CWE-20
Affected product: Google Chrome
Published: 2025-08-07
Last modified: 2026-06-17

Description

Insufficient validation of untrusted input in Core in Google Chrome prior to 139.0.7258.66 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page. (Chromium security severity: Low)

Frequently asked questions

What is CVE-2025-8582?: Insufficient validation of untrusted input in Core in Google Chrome prior to 139.0.7258.66 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page. (Chromium security severity: Low)
How severe is CVE-2025-8582?: CVE-2025-8582 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-2025-8582 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-8582?: CVE-2025-8582 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-8582?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-8582 have an EU (EUVD) identifier?: Yes. CVE-2025-8582 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23903.
When was CVE-2025-8582 published?: CVE-2025-8582 was published on 2025-08-07 and last updated on 2026-06-17.

References

Affected products (1)

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

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