Search/CVE-2026-63509
● CVE — Critical

CVE-2026-63509

VendormicrosoftProductfabricDiscoveredAug 20, 2026UpdatedSep 4, 2026

Relative path traversal in Microsoft Fabric allows an authorized attacker to elevate privileges over a network.

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CVSS v3.1
9.9 CRITICAL
EPSS
1.02%
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
Intelligence Reports1
1 intelligence report available

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EPSS Trend
Aug 22, 2026 → Sep 25, 2026
▲ 0.40pp
0.62% → 1.02% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Connections
2 relationships
Timeline
disclosure → media coverage
Aug 20, 2026
Disclosure — published as a CVE record. · last revised by NVD Sep 4, 2026