CVE-2026-2313 is classified as a high-severity vulnerability with a CVSS score of 8.8, primarily affecting Google Chrome. This vulnerability allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. The severity level is critical for organizations that rely on web applications, as exploitation can lead to significant data breaches or system compromise.
The vulnerability was disclosed on February 11, 2026, and affects all versions of Google Chrome prior to 145.0.7632.45. The risk to organizations includes unauthorized access to sensitive data, loss of integrity, and potential disruption of services. Given the nature of this vulnerability, organizations should prioritize patching immediately.
The exploitation status is currently noted as not having any known exploits. However, the potential for exploitation due to the vulnerability's critical nature means organizations should remain vigilant and implement the necessary updates as soon as they become available.
Immediate action is recommended to prevent any possible attacks exploiting this vulnerability. Keeping software updated and utilizing security best practices can help mitigate risks associated with CVE-2026-2313.
Vulnerability Details
The vulnerability identified as CVE-2026-2313 is a use after free issue in CSS within Google Chrome. It is categorized under CWE-416, which indicates a flaw where memory that has been freed is still accessible, leading to potential heap corruption. The CVSS score of 8.8 reflects the high severity of this vulnerability, indicating that it poses a significant risk to the confidentiality, integrity, and availability of affected systems.
The affected version is any release of Google Chrome prior to 145.0.7632.45. This vulnerability was published on February 11, 2026, and is classified under CVSS version 3.1 with a vector string of CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. In practical terms, this indicates that an attacker could exploit this vulnerability over the network with low complexity, no privileges required, but with user interaction necessary.
Technical Analysis
The root cause of CVE-2026-2313 is linked to improper handling of memory in the Chrome browser, specifically in its CSS processing. An attacker can craft a malicious HTML page that exploits this flaw, leading to unexpected behavior or crashes. The attack vector is primarily network-based, as the affected user must visit the malicious page.
The complexity of exploiting this vulnerability is low, as it does not require the attacker to have any privileges on the target system. However, user interaction is required, meaning the user must navigate to the crafted HTML page. If successfully exploited, this vulnerability can lead to high impacts on confidentiality, integrity, and availability, making it a critical issue for users of Google Chrome.
Risk & Impact Analysis
The real-world risk associated with CVE-2026-2313 includes unauthorized access to sensitive information, manipulation of user data, and potential service disruptions. The high CVSS score indicates that this vulnerability could be leveraged in targeted attacks, which may have a significant blast radius, affecting not only individual users but potentially large organizations utilizing Chrome for business operations.
Organizations should assess their risk exposure and understand the potential impact this vulnerability could have on their operations. The urgency for addressing this vulnerability is high, and organizations should prioritize it in their patching cycles to mitigate against possible exploitation.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions of Google Chrome prior to 145.0.7632.45 are affected by this vulnerability. Organizations using earlier versions should prioritize upgrading to the latest version to mitigate the risks associated with CVE-2026-2313.
Mitigation & Remediation
To remediate CVE-2026-2313, organizations should patch Google Chrome to version 145.0.7632.45 or later. If a patch is unavailable, consider implementing workarounds such as disabling certain JavaScript features or restricting access to the affected browsers. Additionally, enhancing security through configuration hardening and network controls can help mitigate risks associated with this vulnerability.
Organizations can validate remediation through penetration testing to identify similar weaknesses.
Detection Guidance
To detect potential exploitation of CVE-2026-2313, organizations should monitor logs for unusual activity associated with Google Chrome processes. Behavioral anomalies, such as crashes or unexpected browser behavior when accessing certain web pages, can indicate exploitation attempts. Additionally, implementing network signatures can help in identifying malicious traffic targeting this vulnerability.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2026-2313 lies in its potential impact on widely used applications like Google Chrome. This vulnerability represents a trend in browser security where remote exploitation can lead to severe consequences for users and organizations alike. Security teams should take this incident as a lesson to strengthen browser security policies and ensure regular updates are enforced.
To further enhance security, organizations can consider implementing penetration testing methodology and adopting a proactive approach to vulnerability management.
Additionally, organizations can benefit from engaging in vulnerability management programs to systematically address security weaknesses and enhance their overall security posture.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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