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CVE-2026-21008

MEDIUM CVSS 4.0: 5.1 EPSS 0.02%
Updated Apr 13, 2026
Exposure
Parameter Value
CVSS 5.1 (MEDIUM)
Vendor Exposure
Public PoC No

Exposure of sensitive information in S Share prior to SMR Apr-2026 Release 1 allows adjacent attacker to access sensitive information.

Attack Parameters

Attack Vector
Adjacent
Requires local network access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Passive
Minimal interaction

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0