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MicrosoftCVE-2026-62914

Microsoft Exchange Server: cross-site scripting

High7.3CVE-2026-62914 · Published Aug 11, 2026 · updated Aug 13, 2026

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an authorized attacker to perform spoofing over a network.

Microsoft advisory

Affected versions

PackageAffectedFixed in
Microsoft Exchange Server 2016 Cumulative Update 23
Product
>= 15.01.0.0, < 15.01.2507.07215.01.2507.072
Microsoft Exchange Server 2019 Cumulative Update 14
Product
>= 15.02.0.0, < 15.02.1544.04415.02.1544.044
Microsoft Exchange Server 2019 Cumulative Update 15
Product
>= 15.02.0.0, < 15.02.1748.04915.02.1748.049
Microsoft Exchange Server Subscription Edition RTM
Product
>= 15.02.0.0, < 15.02.2562.04615.02.2562.046
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-79

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