CVE-2026-48852 LOW

CVE-2026-48852

Vendor Putty
Product PuTTY
Weakness CWE-617
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 0.71 before 0.84 has an assertion failure in ECDSA signature verification.

Key dates

02Disclosure timeline

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