CVE-2025-2783: Google Chromium Mojo Sandbox Escape Vulnerability
Vulnerability summary
CVE-2025-2783 is a high (CVSS 8.3) vulnerability in Google Chromium Mojo. It is known to be exploited: CISA lists it, first on 27-03-2025. EPSS estimates a 9.24% chance of exploitation in the next 30 days, higher than 95.3% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 2 · Related 3Timeline
- 26-03-2025PublishedVulnerability first disclosed.
- 27-03-2025Added to CISA KEVGoogle Chromium Mojo Sandbox Escape Vulnerability
- 17-04-2025CISA remediation dueApply mitigations per vendor instructions.
- 26-02-2026Last modifiedVulnerability information updated.
Description
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)
CVSS metrics
4 scores · 4 sources · 1 version- OSV · WolfiEcosystem advisory · calculated8.3HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
- OSV · ChainguardEcosystem advisory · calculated8.3HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
- NVDNIST8.3HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS trend
Probability
9.24%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
0.00 pp
From 9.24% on 21-09-2026
Known exploited
Compare KEV catalogs- Added
- 27-03-2025
- Federal due date
- 17-04-2025
CISA required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. chromereleases.googleblog.com/2025/03/stable-channel-update-for-desktop_25.html nvd.nist.gov/vuln/detail/CVE-2025-2783
Public exploits
1 foundMicrosoft Edge Renderer Process (Mojo IPC) 134.0.6998.177 - Sandbox Escape
Maturity: poc
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Chainguard1 product
- chromiumAll versions (No fix recorded)
Google1 product
- chrome≥ 134.0.6998.177, < 134.0.6998.177 | < 134.0.6998.177
Opensuse1 product
- opera&distro=openSUSE Leap 15.6 NonFree< 117.0.5408.163-lp156.2.32.1
Wolfi1 product
- chromiumAll versions (No fix recorded)
4 vendors · 4 products
References
5 links- chromereleases.googleblog.com/2025/03/stable-channel-update-for-desktop_25.htmlAdvisoryRelease Notes
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-2783Government ResourceWEBUS Government Resource
- lists.opensuse.org/archives/…Advisory