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Critical severity9.9NVD Advisory· Published Mar 19, 2026· Updated Jun 17, 2026

CVE-2026-26137

CVE-2026-26137

Description

Server-side request forgery (ssrf) in Microsoft Exchange allows an authorized attacker to elevate privileges over a network.

Affected products

3

Microsoft/365 Copilot Chat
cpe:2.3:a:microsoft:365_copilot_chat:-:*:*:*:*:*:*:*
Microsoft/Exchange 2000llm-create2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: -

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26137nvdVendor Advisory

News mentions

0

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