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Chrome CVE-2025-2783

HIGH
2025-03-26 chrome-cve-admin@google.com
Windows Information Disclosure Chrome Google Microsoft Suse
8.3
CVSS 3.1 · NVD
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Vulnerability Assessment

Impact

High risk (CVSS 8.3, EPSS 35.6%). Attributed to a state-sponsored actor targeting Russian organizations. Chrome sandbox escapes are extremely valuable as they bypass Chrome's primary security boundary.
Exploit ScenarioDerived

Targeted phishing emails directed Russian journalists and officials to download a specially crafted file. Opening the file in Chrome triggered the Mojo handle flaw, escaping the sandbox and executing surveillance malware with full user privileges.
Act Now Prioritize within 24-48h. Why: In CISA KEV with patch available.
Exploited in the wild (CISA KEV) Patch available 35.6% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

Google Chrome on Windows contains a Mojo IPC handle validation flaw enabling sandbox escape through a malicious file, exploited in targeted attacks against Russian organizations in March 2025.

Earlier versions of this analysis (1)
v1 Mar 28, 2026 - 18:33 CVSS 8.3

A sandbox escape vulnerability in Chrome's Mojo IPC layer on Windows allows attackers to break out of Chrome's renderer sandbox through crafted file handling. Exploited in targeted attacks against Russian journalists and government officials.

RemediationAI

Update Chrome immediately. This vulnerability specifically affects Windows. Enable Chrome's enhanced protection mode.

Affects your stack

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Technical ContextAI · show details

The vulnerability in Mojo's handle validation on Windows provides an incorrect handle that enables sandbox escape. When a user interacts with a malicious file, the flaw allows the attacker to execute code outside Chrome's sandbox with the user's full privileges.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 8.3 HIGH
AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
SUSE HIGH

Primary rating from NVD.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Patch released
Apr 05, 2026 - 14:30 nvd
Patch available
Added to CISA KEV
Oct 24, 2025 - 14:06 cisa
CISA KEV
PoC Detected
Oct 24, 2025 - 14:06 vuln.today
Public exploit code
CVE Published
Mar 26, 2025 - 16:15 nvd
HIGH 8.3

DescriptionCVE.org

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)

Executive ViewAI

Why It Matters

Organizations using unspecified circumstances in Mojo in Google Chrome on Windows face notable risk from CVE-2025-2783 rated CVSS 8.3. Successful exploitation could significantly impact the confidentiality, integrity, or availability of affected systems. This vulnerability is actively exploited in the wild (KEV-listed) and requires immediate remediation. Immediate patching is required per CISA KEV mandate.

Business Impact: Severe
Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.

Threat Intelligence Overview

EPSS Score
35.6%
Top 3% exploitable
Exploit
POC
Public exploit code exists

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV Yes
Public POC Yes
EPSS 35.6%
Patch available Yes
Active threat Yes
Deciding rule
In CISA KEV with patch available
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Immediate
Exploitation· derived
Active
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Very High

Priority Score

148
Low Medium High Critical
KEV: +50
EPSS: +36
CVSS: +42
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

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Vendor StatusVendor

SUSE

Severity: High
Product Status
SUSE Linux Enterprise Desktop 15 SP7 SUSE Linux Enterprise High Performance Computing 15 SP7 SUSE Linux Enterprise Module for Desktop Applications 15 SP7 SUSE Linux Enterprise Server 15 SP7 SUSE Linux Enterprise Server for SAP Applications 15 SP7 Fixed
SUSE Linux Enterprise Server 16.0 Fixed
openSUSE Leap 15.6 NonFree Fixed
openSUSE Tumbleweed Fixed
SUSE Linux Enterprise Desktop 15 SP7 Fixed

References

Advisories & patches
ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:0111/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:14961/ REF https://chromereleases.googleblog.com/2025/03/stable-channel-update-for-desktop_25.html REF https://issues.chromium.org/issues/405143032 REF https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-2783

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