CVE-2026-111880
FreeRDP 2.0.0 before 3.32.0 Heap Out-of-Bounds Write via NTLM MIC Offset
CVSS Score
7.4
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-787 |
| Vendor | freerdp |
| Product | freerdp |
| Published | Oct 17, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
Affected Versions
FreeRDP / FreeRDP
2.0.0 < 3.32.0
References
Credits
Kushalkhemka mayank-jangid-moon skigeek16 opensec-intelligence