GCVE-110-NCSC-2026-54

Advisory PublishedCVSS 6.5/10

Vulnetix · Advisory published February 10, 2026

A vulnerability in Microsoft Exchange Server allows unauthorized attackers to spoof information over a network due to user interface misrepresentation.

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Weaknesses (CWE)

CWE-1286Improper Validation of Syntactic Correctness of Input

Risk Scores

CVSS 3.1

6.5/10

Medium · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C

Affected Products

Vendor	Product	Versions	Platforms
Microsoft	vers:unknown/*	—	—

Aliases

CVE-2026-21527

References

advisory

Explore Further

Investigate this vulnerability in the interactive console or download the raw GCVE record.

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