CVE-2026-48850
Low
Description
PuTTY 0.72 before 0.84 has a double free in RSA KEX.
SeverityLow
CVSS3.7
Exploit probability—
ProductPutty
PublishedMay 25, 2026
First seenMay 25, 2026
Weakness typeCWE-415CWE-415
How to fix
Update
- putty putty0.84 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| putty putty | 0.72 ≤ v < 0.84 | 0.84 |
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