CVE-2026-111880
HIGH
CVSS 7.4
Published: 2026-10-17
Modified: 2026-10-17
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Description
FreeRDP versions from 2.0.0 before 3.32.0 contain a heap out-of-bounds write in the server hash-callback NTLM path that fails to validate the MIC offset. Unauthenticated attackers can send a crafted AUTHENTICATE_MESSAGE with a backward session-key offset and MIC offset to write 16 zero bytes beyond the allocation.
Quick Facts
| CVE ID | CVE-2026-111880 |
| CVSS Score | 7.4 |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H |
| Published | 2026-10-17 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |