CVE-2026-111881High· 7.6▾ MidnightPoC availableFreeRDP from 3.14.1 before 3.32.0 contains an integer underflow in the WinPR BMP writer, where a mismatched stride calculation passes SIZE_MAX - 3 to Stream_Zero for sub-byte images. A malicious RDP clipboard peer can return a crafted 1-…
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 41.8 · likelihood 0 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 19.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
Exploit / PoC code exists
0.2% → 0.2%
FreeRDP from 3.14.1 before 3.32.0 contains an integer underflow in the WinPR BMP writer, where a mismatched stride calculation passes SIZE_MAX - 3 to Stream_Zero for sub-byte images. A malicious RDP clipboard peer can return a crafted 1-bpp BMP processed by clipboard_synthesize_image_format_to_bmp for CF_DIB/CF_DIBV5, crashing the client or causing an out-of-bounds write.
FreeRDP >= 3.14.1 < 3.32.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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CVE-2026-114046Medium· 6.5FreeRDP 3.0.0 before 3.32.0 null-pointer dereference via emulated smartcard
CVE-2026-114043Medium· 6.5Vulnerability in FreeRDP
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CVE-2026-111374Medium· 5.3FreeRDP from 3.30.0 before 3.32.0 Resource Exhaustion via rdpecam StartStreamsRequest