Search/CVE-2026-91018
● CVE — High

CVE-2026-91018

DiscoveredSep 22, 2026UpdatedSep 23, 2026

lwIP (Lightweight IP) has a double free vulnerability, which could crash the system, cause a DoS, memory corruption, or allow code execution on the victim system.

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CVSS v3.1
8.8 HIGH
EPSS
0.40%
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 24, 2026 → Oct 26, 2026
● 0.00pp
0.40% → 0.40% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorADJACENT
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Connections
1 relationships
Timeline
disclosure → media coverage
Sep 22, 2026
Disclosure — published as a CVE record.