cve 2026 56182

CVE 2026 56182 is a Windows NTFS elevation-of-privilege vulnerability addressed by Microsoft in the July 14, 2026 security updates. The flaw results from an integer-overflow condition in the file system and can allow a locally authenticated attacker to obtain higher permissions. Microsoft rates the issue Important and lists a CVSS 3.1 base score of 7.8. The fix is included in KB5101650, released as part of the July Patch Tuesday updates. Content on this tag focuses on the vulnerability’s local attack requirements, its potential impact on shared Windows endpoints and servers, and the need to prioritize Microsoft’s security update when maintaining affected systems.