What is CVE-2026-7948?

CVE-2026-7948 is a high-severity vulnerability in Google Chrome, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.5/10. Published 2026-05-06.

How severe is CVE-2026-7948?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Google Chrome

CVE-2026-7948

Race in Chromoting in Google Chrome on Windows prior to 148.0.7778.96 allowed a local attacker to perform privilege escalation via a malicious file. (Chromium security severity: Medium)

Vulnerability class: Race Condition

Published 2026-05-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (6.8th percentile), scored 2026-10-06.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.8% 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: 0.002 · change: +0.000

Affected products

Google Chrome — versions 148.0.7778.96
Microsoft Windows

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html (Release Notes, Vendor Advisory)
issues.chromium.org/issues/496193452 (Permissions Required)

Frequently asked questions

What is CVE-2026-7948?: CVE-2026-7948 is a high-severity vulnerability in Google Chrome, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.5/10. Published 2026-05-06.
How severe is CVE-2026-7948?: High severity. CVSS v3 base score is 7.5 out of 10.