CVE-2026-48850LOW NVDCVSS Score 3.7Severity LOWPublished May 25, 2026Vendor unknownDescriptionPuTTY 0.72 before 0.84 has a double free in RSA KEX.Referenceshttps://lists.tartarus.org/pipermail/putty-announce/2026/000042.htmlhttps://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/rsakex-double-free.html