CVE-2026-45501
CVE-2026-45501: 1 tracked advisory record across MS Server. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
MS Server
1 advisory- Advisory severityMedium6.5
Medium [CVE-2026-45501] Microsoft Exchange Server Spoofing Vulnerability
CVE-2026-45501Source published
Microsoft Exchange Server Spoofing Vulnerability Affected products named by the advisory: Microsoft Exchange Server Subscription Edition RTM; Microsoft Exchange Server 2016 Cumulative Update 23; Microsoft Exchange Server 2019 Cumulative Update 15; Microsoft Exchange Server 2019 Cumulative Update 14.
- Affected products in this advisory
- Microsoft Exchange Server Subscription Edition RTM
- Microsoft Exchange Server 2016 Cumulative Update 23
- Microsoft Exchange Server 2019 Cumulative Update 15
- Microsoft Exchange Server 2019 Cumulative Update 14
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- KB5103212 (build 15.02.2562.045)
- KB5103215 (build 15.01.2507.071)
- KB5103213 (build 15.02.1748.048)
- KB5103214 (build 15.02.1544.043)
- Mitigation guidance
- Install the applicable security update for your platform: KB5103212, KB5103215, KB5103213, KB5103214 (see the Microsoft Update Catalog).
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