CVE-2026-48850
CVSS Score
3.7
EPSS Score
0.0%
EPSS Percentile
0th
PuTTY 0.72 before 0.84 has a double free in RSA KEX.
| CWE | CWE-415 |
| Vendor | putty |
| Product | putty |
| Published | May 25, 2026 |
| Last Updated | May 26, 2026 |
Stay Ahead of the Next One
Get instant alerts for putty putty
Be the first to know when new low vulnerabilities affecting putty putty are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
PuTTY / PuTTY
0.72 < 0.84