CVE-2026-62914HighCVSS 7.3

Microsoft Exchange Server Spoofing Vulnerability

Published
August 14, 2026
Last Modified

🔗 CVE IDs covered (1)

📋 Description

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.

🎯 Affected products4

  • Microsoft Exchange Server 2016 Cumulative Update 23
  • Microsoft Exchange Server 2019 Cumulative Update 14
  • Microsoft Exchange Server 2019 Cumulative Update 15
  • Microsoft Exchange Server Subscription Edition RTM

✅ Remediation

KB5121576 (Security Update) — fixed build 15.01.2507.072 KB5121573 (Security Update) — fixed build 15.02.2562.046 KB5121574 (Security Update) — fixed build 15.02.1748.049 KB5121575 (Security Update) — fixed build 15.02.1544.044

🔗 References (6)