CVE-2026-48850 LOW

CVE-2026-48850

Vendor Putty
Product PuTTY
Weakness CWE-415
Published May 25, 2026
Last update May 26, 2026

CVSS base score

3.7/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

PuTTY 0.72 before 0.84 has a double free in RSA KEX.

Key dates

02Disclosure timeline

May 25, 2026 CVE published
May 26, 2026 Record updated