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PuTTY

Developer Tools
Simon Tatham·Website

Free SSH and Telnet client for Windows

Latest versions

StableWindows0.8516 Aug 2026
Actively exploited
0
CISA KEV
Affecting latest
0
v0.85
Known CVEs
36
across all versions, as matched by PemSync
Last checked
6 Sep 2026, 0:15

The latest tracked version (0.85) is not affected by any matched vulnerability — all 36 recorded CVEs are fixed in versions you're past.

CVESeverityEPSS pctStatusScore source
19%Latest not affected25 May 2026
13%Latest not affected25 May 2026
25%Latest not affected25 May 2026
43%Latest not affected22 Mar 2026
93%Latest not affected15 Apr 2024
100%Latest not affected18 Dec 2023
64%Latest not affected9 Jul 2021
79%Latest not affected21 May 2021
87%Latest not affected29 Jun 2020
82%Latest not affected1 Oct 2019
77%Latest not affected1 Oct 2019
75%Latest not affected1 Oct 2019
90%Latest not affected21 Mar 2019
87%Latest not affected21 Mar 2019
53%Latest not affected21 Mar 2019
84%Latest not affected21 Mar 2019
83%Latest not affected21 Mar 2019
97%Latest not affected27 Mar 2017
53%Latest not affected30 Jan 2017
46%Latest not affected27 Mar 2015
34%Latest not affected23 Aug 2013
88%Latest not affected19 Aug 2013
32%Latest not affected19 Aug 2013
78%Latest not affected19 Aug 2013
84%Latest not affected19 Aug 2013
Showing 125 of 36
Page 1 of 2

PemSync reports known, cataloged exploited vulnerabilities (CISA KEV) and published CVEs. It is not a zero-day detection or threat-intelligence system — a vulnerability may be exploited before it appears here. Absence of data does not mean an app is secure.