CVE-2026-83856
HighCVSS 7.5Summary
Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network.
Risk Assessment
A remote attacker could execute arbitrary code, potentially leading to full system compromise.
Recommendation
Install the latest security updates and restrict access to the event logging service.
Other vulnerabilities in Windows Event Logging Service
See all- CVE-2026-33834High
Improper access control in Windows Event Logging Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-69493Critical
Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network.
- CVE-2026-69495High
Heap-based buffer overflow in Windows Event Logging Service allows an unauthorized attacker to execute code over a network.
- CVE-2026-69494High
Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network.
- CVE-2026-61347Medium
Buffer over-read in Windows Event Logging Service allows an authorized attacker to disclose information locally.
- CVE-2026-59137Medium
Use of an uninitialized resource in Windows Event Logging Service allows an authorized attacker to disclose information locally.
- CVE-2026-59126High
A vulnerability in Windows Event Logging Service is due to a race condition when sharing resources, allowing an authorized attacker to elevate privileges locally.
- CVE-2026-50502High
Insufficient granularity of access control in Windows Event Logging Service allows an authorized attacker to execute code over a network.
- CVE-2026-34348Medium
A protection mechanism failure in Windows Event Logging Service allows an authorized attacker to disclose information over a network.
Original NVD description (English source)
Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS