Search/CVE-2026-91963
● CVE — Medium

CVE-2026-91963

VendorfreerdpProductfreerdpDiscoveredSep 15, 2026UpdatedSep 23, 2026

FreeRDP versions before 3.31.0 contain an uninitialized heap memory disclosure vulnerability in the urbdrc USB redirection channel. A malicious RDP server can induce failing USB transfers to read uninitialized heap memory from the client, defeating ASLR and enabling remote code execution when chained with memory corruption vulnerabilities.

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CVSS v3.1
6.5 MEDIUM
EPSS
0.66%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Sep 17, 2026 → Oct 2, 2026
▲ 0.02pp
0.64% → 0.66% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityNONE
AvailabilityNONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Connections
2 relationships
Timeline
disclosure → media coverage
Sep 15, 2026
Disclosure — published as a CVE record. · last revised by NVD Sep 23, 2026