What is CVE-2026-13808?

CVE-2026-13808 is a medium-severity vulnerability in Apple Iphone OS, classified under Improper Input Validation. CVSS score: 4.6/10. Published 2026-06-30.

How severe is CVE-2026-13808?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Improper input validation in Apple Iphone OS

CVE-2026-13808

Insufficient data validation in Chrome for iOS in Google Chrome on iOS prior to 150.0.7871.47 allowed a local attacker to obtain potentially sensitive information from process memory via physical access to the device. (Chromium security severity: High)

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2026-06-30 · last modified 2026-07-01.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (2.8th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Apple Iphone OS
Google Chrome — versions 150.0.7871.47

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352… (Release Notes)
issues.chromium.org/issues/504221510 (Permissions Required)

Frequently asked questions

What is CVE-2026-13808?: CVE-2026-13808 is a medium-severity vulnerability in Apple Iphone OS, classified under Improper Input Validation. CVSS score: 4.6/10. Published 2026-06-30.
How severe is CVE-2026-13808?: Medium severity. CVSS v3 base score is 4.6 out of 10.