Skip to content
VulniPulse
Advisory severityHigh8.8Microsoft Server

High [CVE-2026-96940] Microsoft Exchange Server Elevation of Privilege Vulnerability

This high-severity Microsoft Server advisory covers CVE-2026-96940 affecting Microsoft Exchange Server 2019 Cumulative Update 14, Microsoft Exchange Server 2016 Cumulative Update 23, Microsoft Exchange Server Subscription Edition RTM.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-96940 Source published

VulniPulse record published

Affected products & platforms
Microsoft ServerExchange Server
Open source advisory

Android app · Google Play

Monitor future Microsoft Server CVEs from your phone.

Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.

Matching phone alertsOptional email delivery

Summary

Microsoft Exchange Server Elevation of Privilege Vulnerability

Affected products named by the advisory: Microsoft Exchange Server 2019 Cumulative Update 14; Microsoft Exchange Server 2016 Cumulative Update 23; Microsoft Exchange Server Subscription Edition RTM; Microsoft Exchange Server 2019 Cumulative Update 15.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 3 days ago·verify at source

Fixed versions
  • KB5129957 (build 15.02.1544.048)
  • KB5129958 (build 15.01.2507.075)
  • KB5129955 (build 15.02.2562.053)
  • KB5129956 (build 15.02.1748.053)

Official advisory · high-confidence parse· fetched 3 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Install the applicable security update for your platform: KB5129957, KB5129958, KB5129955, KB5129956 (see the Microsoft Update Catalog).

Official advisory · high-confidence parse· fetched 3 days ago·verify at source

Discussion(0)

No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.

Sign in to join the discussion.