What is CVE-2026-12458?

CVE-2026-12458 is a low-severity vulnerability in Apple macOS, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 3.1/10. Published 2026-06-17.

How severe is CVE-2026-12458?

Low severity. CVSS v3 base score is 3.1 out of 10.

Vulnerability in Apple macOS

CVE-2026-12458

Inappropriate implementation in Passwords in Google Chrome prior to 149.0.7827.155 allowed a remote attacker who convinced a user to engage in specific UI gestures to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

Published 2026-06-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (7.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-451 — User Interface (UI) Misrepresentation of Critical Information

References

chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175051… (Vendor Advisory)
issues.chromium.org/issues/517258337 (Permissions Required)

Frequently asked questions

What is CVE-2026-12458?: CVE-2026-12458 is a low-severity vulnerability in Apple macOS, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 3.1/10. Published 2026-06-17.
How severe is CVE-2026-12458?: Low severity. CVSS v3 base score is 3.1 out of 10.