CVE-2026-49177
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk25th percentile - higher than 25% of all known CVEs
Summary
Out-of-bounds read in Windows TCP/IP allows an authorized attacker to disclose information locally.
Risk Assessment
The risk involves potential unauthorized reading of kernel memory data by an authorized user.
Recommendation
Install the latest security updates from Microsoft.
Other vulnerabilities in Windows TCP/IP
See all- CVE-2026-40415High
A use after free vulnerability in Windows TCP/IP allows an unauthorized attacker to execute code over a network.
- CVE-2026-40406High
A use after free vulnerability in Windows TCP/IP allows an unauthorized attacker to disclose information over a network.
- CVE-2026-40405High
A null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over a network.
- CVE-2026-34351High
A race condition in Windows TCP/IP allows for concurrent execution using shared resources with improper synchronization. This enables an authorized attacker to elevate privileges locally.
- CVE-2026-34334High
A race condition in Windows TCP/IP allows for concurrent execution using shared resources with improper synchronization. This enables an authorized attacker to elevate privileges locally.
- CVE-2026-33837High
Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
- CVE-2026-42904Critical
Heap-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to elevate privileges over an adjacent network.
- CVE-2021-26424Critical
Remote code execution vulnerability in Windows TCP/IP stack. It could allow an attacker to execute arbitrary code in the context of the kernel.
- CVE-2026-62792High
Stack-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to execute code over a network.
- CVE-2026-59132High
A vulnerability in Windows TCP/IP involves a null pointer dereference, allowing an unauthorized attacker to cause a denial of service (DoS) over a network.
Original NVD description (English source)
Out-of-bounds read in Windows TCP/IP allows an authorized attacker to disclose information locally.