Windows apps · Application version · August 14, 2026
PuTTY 0.85.0.0
PuTTY 0.85.0.0, released August 14, 2026, fixes 4 CVEs in PuTTY. None of them is reported as exploited. Patch Radar priority: Routine.
Routine
CVEs closed
4
None rated Critical
Exploited
0
None reported
Highest CVSS
5.9
Base score, 0 to 10
Highest EPSS
0.0057
47th percentile
Priority of the 4 CVEs
Patch now 0
Urgent 0
High 0
Routine 4
Applies to
| Product | Version |
|---|---|
| PuTTY | 0.85.0.0 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Routine | CVE-2026-4115 | PuTTY Ed25519 Signature ecc-ssh.c eddsa_verify signature verification | 2.9 | 0.0057 | None reported |
| Routine | CVE-2026-48850 | PuTTY and 1 other: Double Free | 5.9 | 0.0032 | None reported |
| Routine | CVE-2026-48852 | PuTTY and 1 other: Reachable Assertion | 3.7 | 0.0028 | None reported |
| Routine | CVE-2026-48851 | PuTTY CAC and 1 other: User Interface (UI) Misrepresentation of Critical Information | 3.1 | 0.0022 | None reported |
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