Critical severity9.6NVD Advisory· Published Jul 14, 2026· Updated Jul 24, 2026
CVE-2026-55008
CVE-2026-55008
Description
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Affected products
5cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_23:*:*:*:*:*:*+ 3 more
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_23:*:*:*:*:*:*
- cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_14:*:*:*:*:*:*
- cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_15:*:*:*:*:*:*
- (no CPE)
- cpe:2.3:a:microsoft:exchange_server_subscription_edition:*:*:*:*:*:*:*:*Range: <15.02.2562.045
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55008nvdVendor Advisory
News mentions
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