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Vulnerabilities

Vulnerability · CVE-2026-8576

Inappropriate implementation in CORS in Google Chrome on Linux and ChromeOS prior to 148.0.7778.168 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Published May 14, 2026 · catalog updated Jun 17, 2026 · Inappropriate implementation in CORS

Check if you run it

No confirmed exploitation is on record for CVE-2026-8576. EPSS is 0.23%. Act only if a listed version of Inappropriate implementation in CORS is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Inappropriate implementation in CORS).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.23%
Remediation
Advisory link
Affected products
cpe google/chrome

Inappropriate implementation in CORS in Google Chrome on Linux and ChromeOS prior to 148.0.7778.168 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe google/chromeversion unspecified

How to fix CVE-2026-8576

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-8576. EPSS is 0.23%. Act only if a listed version of Inappropriate implementation in CORS is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-942: Permissive Cross-domain Policy with Untrusted Domains. EPSS 0.23%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 14, 2026 · NIST NVD

    Detected

    Inappropriate implementation in CORS in Google Chrome on Linux and ChromeOS prior to 148.0.7778.168 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

  2. Jun 17, 2026 · NIST NVD

    Updated

    Inappropriate implementation in CORS in Google Chrome on Linux and ChromeOS prior to 148.0.7778.168 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

Sources

  • CVE.orgVulnerability recordCVE-2026-8576

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-8576

    30-day exploitation probability 0.2%

    first.org
  • NIST NVDVulnerability recordCVE-2026-8576

    Inappropriate implementation in CORS in Google Chrome on Linux and ChromeOS prior to 148.0.7778.168 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.