CVE-2026-77910

CVSS 8.8 (high) · published 2026-10-13

Incorrect authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

Weakness: CWE-863

Source: NVD CVE-2026-77910

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77910

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