CVE-2026-78957 Information disclosure in Chrome

What is CVE-2026-78957?

CVE-2026-78957 is a medium-severity vulnerability in Google Chrome, published on 25 Aug 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Information leak in Mobile in Google Chrome on on iOS prior to 152.0.7977.65 allowed a local attacker to obtain sensitive information via a crafted file. (Chromium security severity: Low)

Weakness: CWE-200

Which versions are affected by CVE-2026-78957?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-78957?

Upgrade to a fixed version.

Is CVE-2026-78957 being exploited?

There is no known exploitation of CVE-2026-78957 in the wild and no public exploit code.

Other vulnerabilities in Google Chrome

• CVE-2022-4135 Google Chromium GPU Heap Buffer Overflow Exploited Critical 9.6
• CVE-2020-16017 Google Chrome Use-After-Free Exploited Critical 9.6
• CVE-2020-16010 Google Chrome for Android UI Heap Buffer Overflow Exploited Critical 9.6
• CVE-2026-87491 Google Chromium V8 Out of Bounds Write Exploited High 8.8
• CVE-2026-85046 Google Chromium V8 Type Confusion Exploited High 8.8

All Google Chrome vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2026-78957, ECHO-7599-258f-5fd6, GHSA-r588-6qj9-9x9p, MINI-2ffg-q5pj-p6j3.