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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
21 Oct 2026, 4:42

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
—28%Latest not affected—25 May 2026
—20%Latest not affected—25 May 2026
—34%Latest not affected—25 May 2026
—15%Latest not affected—22 Mar 2026
—93%Latest not affected—15 Apr 2024
—100%Latest not affected—18 Dec 2023
—65%Latest not affected—9 Jul 2021
—80%Latest not affected—21 May 2021
—88%Latest not affected—29 Jun 2020
—83%Latest not affected—1 Oct 2019
—78%Latest not affected—1 Oct 2019
—76%Latest not affected—1 Oct 2019
—90%Latest not affected—21 Mar 2019
—87%Latest not affected—21 Mar 2019
—54%Latest not affected—21 Mar 2019
—84%Latest not affected—21 Mar 2019
—84%Latest not affected—21 Mar 2019
—98%Latest not affected—27 Mar 2017
—54%Latest not affected—30 Jan 2017
—47%Latest not affected—27 Mar 2015
—34%Latest not affected—23 Aug 2013
—89%Latest not affected—19 Aug 2013
—32%Latest not affected—19 Aug 2013
—79%Latest not affected—19 Aug 2013
—84%Latest not affected—19 Aug 2013
Showing 1–25 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.