Search/CVE-2026-83646
● CVE — Medium

CVE-2026-83646

VendormicrosoftProductwindows 10 1607, windows 10 1809, windows server 2016, windows server 2019, windows server 2022, windows server 2025DiscoveredOct 13, 2026UpdatedOct 29, 2026

Url redirection to untrusted site ('open redirect') in Active Directory Federation Services (AD FS) allows an authorized attacker to perform spoofing over a network.

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CVSS v3.1
4.8 MEDIUM
EPSS
0.37%
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
Oct 30, 2026 → Oct 31, 2026
▼ 0.04pp
0.42% → 0.37% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredHIGH
User InteractionREQUIRED
ScopeCHANGED
ConfidentialityLOW
IntegrityLOW
AvailabilityNONE
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Connections
7 relationships
Timeline
disclosure → media coverage
Oct 13, 2026
Disclosure — published as a CVE record. · last revised by NVD Oct 29, 2026