Out of Bound Write Vulnerability in Google Chrome Affects Multiple Versions
CVE-2026-3909
Key Information:
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What is CVE-2026-3909?
CVE-2026-3909 is a notable vulnerability found in Google Chrome, specifically within the Skia graphics library utilized by the browser. This security flaw allows for out-of-bounds writes, which can lead to unauthorized memory access. If exploited, it enables an attacker to manipulate memory and execute arbitrary code on the target system, all through a specially crafted HTML page. Given that Google Chrome is a widely-used web browser, this vulnerability poses a substantial risk to organizations, as it could compromise user data, disrupt operations, and potentially allow remote attackers to take control of affected devices.
Potential impact of CVE-2026-3909
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Remote Code Execution: The primary risk associated with this vulnerability is the potential for remote code execution, allowing attackers to run malicious code on users' systems. This could lead to total compromise of a system, including accessing sensitive data or installing additional malware.
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Data Breaches: With successful exploitation, an attacker could gain access to stored information, including personal, financial, or corporate data. This raises concerns about confidentiality and could have severe implications for organizations in terms of compliance and reputation.
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Operational Disruption: Exploitation of this vulnerability may lead to operational disruption for organizations, as affected users may experience browser crashes or be redirected to malicious sites. Such interruptions can hinder productivity and result in financial losses.
CISA has reported CVE-2026-3909
CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2026-3909 as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace
The CISA's recommendation is: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

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Affected Version(s)
Chrome 146.0.7680.75
References
EPSS Score
27% chance of being exploited in the next 30 days.
CVSS V3.1
Timeline
- π
Vulnerability started trending
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Exploit known to exist
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CISA Reported
Vulnerability published
Vulnerability Reserved