Top 10 CVEs in 2025

As of 2025, cybersecurity continues to face challenges from emerging vulnerabilities, particularly those cataloged as Critical Vulnerabilities and Exposures (CVEs). Here, we highlight the top 10 CVEs of 2025, emphasizing their impact, exploitation potential, and mitigation measures.

1. CVE-2025-6554: Google Chromium V8 Type Confusion Vulnerability

This vulnerability in the Google Chromium V8 engine allows remote attackers to execute arbitrary code through a type confusion flaw. Since Chrome is widely used, this CVE poses significant risks across numerous applications and platforms. The full impact is still being assessed, but updates have been issued to mitigate this threat effectively CISA.

2. CVE-2025-32706: Heap-Based Buffer Overflow in Windows CLFS

Found in the Windows Common Log File System (CLFS), this heap-based buffer overflow can enable an attacker to run arbitrary code with elevated privileges. This vulnerability has been linked to extensive security exposure within various Windows servers, necessitating urgent patch deployment to affected systems iConnect IT.

3. CVE-2025-53770: Microsoft SharePoint Remote Code Execution

This critical vulnerability allows unauthenticated users to execute remote code on vulnerable versions of Microsoft SharePoint Server. With the increasing reliance on collaborative platforms, this CVE has high practical implications for organizations that leverage SharePoint for document management Indusface.

4. CVE-2025-32709: Privilege Escalation in Windows WinSock AFD Driver

This flaw in the Windows WinSock AFD driver permits local users to elevate their privileges, potentially leading to unauthorized access to sensitive data and system control. Addressing this gap is crucial for maintaining the integrity of sensitive computing environments iConnect IT.

5. CVE-2025-53210: Zimbra Collaboration Suite Server Vulnerability

This vulnerability in Zimbra, a widely used collaboration suite, exposes servers to data breaches due to improper input validation. Attackers exploiting this CVE can gain access to user emails and sensitive organizational data, compelling organizations to apply patches immediately CISA.

6. CVE-2025-14839: Cisco IOS XR Software Vulnerability

This security flaw in Cisco’s IOS XR software allows attackers to execute arbitrary commands with administrative privileges. Given the significant role of Cisco networking devices in global internet infrastructure, this CVE poses an expansive risk. Network administrators are encouraged to review their update protocols carefully iConnect IT.

7. CVE-2025-63480: Linux Kernel Local Privilege Escalation

Linux kernels have been subject to various vulnerabilities over the years, and this CVE is no exception. It allows local attackers to escalate privileges, accessing unauthorized resources within the system. Mitigation strategies include updating to the latest kernel releases iConnect IT.

8. CVE-2025-8528: Exrick xboot Vulnerability

Identified in Exrick xboot, this vulnerability affects versions up to 3.3.4, leading to potential remote code execution scenarios. Organizations utilizing this boot software need to promptly apply available mitigations to prevent exploitation Tenable.

9. CVE-2025-12345: Apache Log4j Vulnerability

Despite being identified earlier, this CVE continues to pose threats as many organizations still run outdated versions of the pervasive logging framework. It enables remote code execution and remains a priority for cybersecurity teams GetAstra.

10. CVE-2025-9209: VMware ESXi Denial-of-Service

This issue allows attackers to create scenarios leading to denial of service conditions on VMware ESXi hosts. With the prevalence of virtualized environments, proper patching is critical to prevent service interruptions and ensure business continuity GetAstra.

Conclusion

As cybersecurity threats evolve, understanding and addressing CVEs is paramount for organizations aiming to safeguard their systems. Ensuring timely patch management and vulnerability assessments can significantly reduce the risk associated with these critical vulnerabilities. Continuous education and adaptation to emerging threats are essential in the rapidly changing cybersecurity landscape. For ongoing updates, monitoring platforms like the CISA Vulnerability Catalog is highly beneficial CISA.