PT-2026-47972 · Microsoft · Exchange Server

Dongjun Kim · CVE-2026-45500 · Published 2026-06-09 · Updated 2026-07-28

Positive Technologies (AI Summary)

CVSS v2.0

6.4

Medium

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:N

Name of the Vulnerable Software and Affected Versions Microsoft Exchange Server (affected versions not specified)

Description Improper neutralization of input during web page generation leads to cross-site scripting (XSS), a condition where malicious scripts are injected into trusted websites. This allows an unauthorized remote attacker to perform spoofing attacks over a network.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BDU:2026-08568

CVE-2026-45500

Affected Products

Exchange Server

References · 6

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45500 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-45500 · Security Note
• https://bdu.fstec.ru/vul/2026-08568 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-45500 · Security Note
• https://t.me/cveNotify/226659 · Telegram Post
• https://twitter.com/windowsforum/status/2064478527106289974 · Twitter Post