CVE-2026-83854

A vulnerability exists in Windows Notification due to improper access control , which allows an authorized attacker to disclose information locally . The vulnerability is associated with CWE-306 (Missing Authentication for Critical Function). A MEDIUM severity rating of 5.5 (CVSS 3.1) is assigned...

CVE-2026-83866

A Use after free vulnerability exists in Windows Win32K , which allows an authorized attacker to achieve local privilege escalation . While specific impacted versions are not detailed in the provided documents, the vulnerability is categorized as a high-severity issue. No specific exploit links o...

CVE-2026-83855

The Windows WLAN Service is vulnerable to an integer underflow (wrap or wraparound) , as categorized under CWE-191 . This vulnerability allows an unauthorized attacker to cause a denial of service (DoS) over a network. The official remediation level is an official fix , and the severity is rated ...

CVE-2026-83862

A Use after free vulnerability exists in Windows Network Load Balancing , which allows an unauthorized attacker to achieve remote code execution over a network. This vulnerability has a CVSS v3.1 score of 9.8 (CRITICAL) , indicating a high impact on confidentiality, integrity, and availability. T...

CVE-2026-83836

A Heap-based buffer overflow exists in Windows Event Tracing which could allow an unauthorized attacker to execute code locally . The vulnerability involves a CWE-122 (Heap-based Buffer Overflow) and CWE-191 (Integer Underflow) condition. The Base Severity is High (7.8), with the attack vector be...

CVE-2026-83849

An out-of-bounds read vulnerability exists in Windows Hello , which allows an authorized attacker to disclose information locally . The vulnerability's confidentiality impact is rated as high, while integrity and availability are unaffected. No specific exploit code or in-the-wild exploitation de...

CVE-2026-83848

A vulnerability exists in the Windows COM+ Event System Service due to an untrusted pointer dereference . This flaw allows an authorized attacker to achieve local privilege escalation . No specific exploit details or versions are provided in the documents, though the issue is confirmed with a HIG...

CVE-2026-83834

A Use after free vulnerability exists in Windows Kernel-Mode Drivers . This flaw allows an authorized attacker to perform a local elevation of privilege . The vulnerability is associated with CWE-416 (Use After Free) and CWE-367 (Time-of-check Time-of-use Race Condition). No specific exploit deta...

CVE-2026-83843

A vulnerability exists in the Windows Internet Key Exchange (IKE) Protocol caused by an out-of-bounds read (CWE-125). This flaw allows an unauthorized attacker to perform a denial of service (DoS) attack over a network. While the CVSS 3.1 score indicates a HIGH severity (7.5) with a NETWORK attac...

CVE-2026-83842

A double free vulnerability exists within the Windows TCP/IP stack. This flaw allows an authorized attacker to achieve local privilege escalation . Exploitation details and specific affected versions are not provided in the documents. Remediation involves applying the official fix from Microsoft.

EUVD-2026-99382

Out-of-bounds read in Windows Paint allows an unauthorized attacker to execute code over a network...

CVE-2026-83844

An out-of-bounds read vulnerability exists in Windows Paint , which could allow an unauthorized attacker to achieve remote code execution over a network. The vulnerability is categorized under CWE-125 and has a CVSS 3.1 score of 8.1 . While the technical root cause is identified as an out-of-boun...

CVE-2026-83838

The Windows Bluetooth A2DP driver is vulnerable to an integer underflow (wrap or wraparound) . This flaw allows an authorized attacker to achieve elevation of privilege over an adjacent network. The vulnerability is classified as HIGH severity with a CVSS 3.1 score of 8.0. No specific exploit lin...

CVE-2026-83839

A Time-of-check time-of-use (TOCTOU) race condition exists in Windows Hyper-V . This vulnerability allows an authorized attacker to perform a local privilege escalation . No specific affected versions, root cause components, or remediation steps are provided in the documentation. Exploitation det...

CVE-2026-83793

A vulnerability in the Windows Update Orchestrator Service involves improper link resolution before file access (link following). This flaw allows an authorized attacker to achieve local privilege escalation . The impact includes high levels of confidentiality, integrity, and availability loss. N...

CVE-2026-83780

A Use after free vulnerability in the Windows CCFFilter Driver allows an unauthorized attacker to execute code over a network . This vulnerability is classified with a CRITICAL CVSSv3.1 score of 9.8 , indicating a high impact on confidentiality, integrity, and availability. According to NCSC docu...

CVE-2026-83826

A vulnerability exists in Windows Error Reporting due to an untrusted pointer dereference . This flaw allows an authorized attacker to perform a local privilege escalation . The CVSS 3.1 base score is 7.8 (High) , reflecting high impacts on confidentiality, integrity, and availability. While the ...

CVE-2026-83833

A heap-based buffer overflow exists in the Windows Kernel , which could allow an authorized attacker to achieve local privilege escalation . The vulnerability impacts the core kernel component of the Windows operating system. Specific details regarding the underlying cause, affected versions, or ...

CVE-2026-83798

The Windows Update Stack is vulnerable to a flaw involving the improper verification of cryptographic signatures . This vulnerability allows an authorized attacker to perform spoofing locally . The issue is associated with CWE-347 (Improper Verification of Cryptographic Signature) and CWE-20 (Imp...

CVE-2026-83782

A Heap-based buffer overflow in Windows Shell allows an unauthorized attacker to execute arbitrary code over a network. This vulnerability is classified as CRITICAL with a CVSS v3.1 score of 9.8 . The impact includes the execution of arbitrary code , potentially allowing malicious actors to imper...