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CVE-2026-87696

nvd nist
Published: Oct 13, 2026Modified: Oct 14, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.6 / Impact: 5.9
Source: secure@microsoft.com (Secondary)

Description

Improper verification of cryptographic signature in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

Related CWEs

CWE-347
Improper Verification of Cryptographic Signature
The product does not verify, or incorrectly verifies, the cryptographic signature for data.

References (1)

Source: secure@microsoft.com

Timeline

No history available yet.