CVE-2026-110714EPSS p44.5%
CVE-2026-110714CVE-2026-110714
Description
libsmb2 through 6.2 contains an integer underflow vulnerability in decode_acl that allows malicious SMB servers to trigger heap out-of-bounds reads via crafted security descriptors. Attackers controlling a server or intercepting unsigned sessions can send an AclSize below 8 in a QUERY_INFO reply, bypassing ACE bounds checks and crashing the client.
Scoring
| CVSS | 6.5 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| EPSS | 0.55% probability of exploitation · percentile 44.5% · 2026-10-17T12:00:28Z |
| Last modified | 2026-10-16 |