CVE-2026-87692: microsoft exchange_server, microsoft exchange_server_subscription_edition

CVSS 7.8 (high) · published 2026-10-13

Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.

Affected products (NVD): microsoft exchange_server, microsoft exchange_server_subscription_edition

Fixed in (NVD): 15.02.2562.056

Weakness: CWE-502

Source: NVD CVE-2026-87692

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-87692

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