CVE-2025-59249

high-risk
Published 2025-10-14

Weak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

Do I need to act?

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0.08% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Vendors

54
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 0/34 · Minimal
Exposure 24/34 · High