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High severity7.5NVD Advisory· Published Oct 13, 2026· Updated Oct 13, 2026

CVE-2026-87696

CVE-2026-87696

Description

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

Affected products

1

Microsoft/Exchange Serverllm-fuzzy

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-87696nvd

News mentions

0

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