Google Chromium Mojo Sandbox Escape Vulnerability
Incorrect handle provided in unspecified circumstances in Mojo in Google Chrome on Windows prior to 134.0.6998.177 allowed a remote attacker to perform a sandbox escape via a malicious file. (Chromium security severity: High)
What happened
Incorrect handle provided in unspecified circumstances in Mojo in Google Chrome on Windows prior to 134.0.6998.177 allowed a remote attacker to perform a sandbox escape via a malicious file. (Chromium security severity: High)
CISA lists it as exploited, added 27 Mar 2025.
Does it affect you
Names Google Chrome. Enter the product and version you run to place it against the affected range the vendor published.
What to do
- Follow the vendor advisory for the fixed release and any interim mitigation.
chromereleases.googleblog.com - Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
cisa.gov
CISA’s notes for this entry:
Affected, as published to NVD
- chrome
- Google Chrome: everything below 134.0.6998.177
The record
- NVD status
- Analyzed
- Published
- 26 Mar 2025, last modified 17 Jun 2026 (NVD)
- Severity
- CVSS 3.1 base score 8.3, High — computed here from the vector; NVD states 8.3.
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
- Exploitation
- Listed in CISA’s Known Exploited Vulnerabilities catalogue since 27 Mar 2025; federal remediation due 17 Apr 2025. CISA entry
- Exploit probability
- EPSS 9.2%, 95th percentile — FIRST, scored 23 Oct 2026. FIRST EPSS
- Vendor
- Google · Chromium Mojo (CISA)
References on the NVD record
- chromereleases.googleblog.com/2025/03/stable-channel-update-for-desktop_25.htmlRelease Notes
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-2783US Government Resource
- issues.chromium.org/issues/405143032Permissions Required
Sources
The verdict above is computed from the products and versions you entered and the affected ranges the vendor published to NVD. It does not inspect your environment, and this site never reports a product as unaffected: why.