How severe is CVE-2025-2783?

CVE-2025-2783 has a CVSS 3.1 base score of 8.3 (HIGH). EPSS estimates a 9.2% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2025-2783: Google Chromium Mojo Sandbox Escape Vulnerability

CISA Known Exploited Vulnerabilities

Google Chromium Mojo Sandbox Escape Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2025-03-27

Remediation due

2025-04-17

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.

CISA notes
https://chromereleases.googleblog.com/2025/03/stable-channel-update-for-desktop_25.html ; https://nvd.nist.gov/vuln/detail/CVE-2025-2783

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)

Severity

CVSS 3.1 · CISA8.3 HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Exploitation Context

as of October 15, 2026

All KEV statistics→

CISA added CVE-2025-2783 to the KEV catalog 1 day after its CVE record was published. The median for entries added in 2025 is 26 days.
It is one of 75 Google entries in the CISA KEV catalog, and one of 7 added in 2025.
Its current EPSS score (9.2%) is higher than that of 25% of CISA KEV entries.

Affected Products

Vendor	Product	Affected versions
Google	Google Chrome	134.0.6998.177 to <134.0.6998.177

References

2 Links

Other references

Record Details

Published

2025-03-26

Last updated

2026-02-26

Assigner (CNA)

Chrome

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.