Back to board Open MSRC
MSRC compact vulnerability detail

CVE-2025-26686 · Windows TCP/IP Remote Code Execution Vulnerability

Sensitive data storage in improperly locked memory in Windows TCP/IP allows an unauthorized attacker to execute code over a network.

Severity
Critical
Impact
Remote Code Execution
CVSS
7.5 base · 6.5 temporal
Release
2025-04-08
Signals
Windows TCP/IP Remote Code Execution Exploited: No Publicly disclosed: No Exploitability: Exploitation Less Likely
CWE
CWE-591: Sensitive Data Storage in Improperly Locked Memory
Patch Diff
Loading module diff metadata...
Resolved binary override
Use this when the MSRC module name cannot be mapped automatically or the resolved binary looks wrong.
Old version New version
Description
Sensitive data storage in improperly locked memory in Windows TCP/IP allows an unauthorized attacker to execute code over a network.
FAQ / Articles
FAQ
According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability? Successful exploitation of this vulnerability requires an attacker to win a race condition and also to take additional actions prior to exploitation to prepare the target environment.
FAQ
Are the updates for Windows 10 for x64-based Systems and Windows 10 for 32-bit Systems currently available? Yes. As of April 9, 2025, the security update (5055547) for Windows 10 for x64-based Systems and Windows 10 for 32-bit Systems are available. Customers running Windows 10 should ensure the update is installed to be protected from this vulnerability.
Windows TCP/IP Remote Code Execution Vulnerability
Sensitive data storage in improperly locked memory in Windows TCP/IP allows an unauthorized attacker to execute code over a network.
FAQ-CVSS-PR:N-UI:R
According to the CVSS metrics, user interaction is required (UI:R) and privileges required are none (PR:N). What does that mean for this vulnerability? An unauthorized attacker must wait for a user to initiate a connection to send a DHCPv6 request. The attacker could then send a DHCPv6 reply with a fake IPv6 address.