
How the Windows Snipping Tool’s CVE-2026-33829 Opens the Door to NTLM Hash Theft
Microsoft patched a moderate-severity flaw in the Windows Snipping Tool in the April 14, 2026 security updates that could let attackers trick the application into leaking authentication material. Tracked as CVE-2026-33829 and reported by Blackarrow (Tarlogic), the issue stems from how Snipping Tool handles certain deep links and can result in an authenticated Server Message Block (SMB) connection to an attacker-controlled server, exposing NTLMv2 hashes. What the vulnerability is CVE-2026-33829…