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Servers and applications

CVE-2026-70279

Microsoft Exchange Server Spoofing Vulnerability

Severity
Critical 9.3
Published
13 Oct 2026
Last changed
31 Oct 2026
Added to UpHeron
3 Nov 2026
Fixed in
15.01.2507.077, 15.02.1544.050, 15.02.1748.055, 15.02.2562.056
Sources
CVE Program

Affected software

SoftwareAffected versions
Microsoft Exchange ServerServers and applications · cna:microsoft|microsoft exchange server*
  • From 15.01.0.0 before 15.01.2507.077
  • From 15.02.0.0 before 15.02.1544.050
  • From 15.2.1748 before 15.02.1748.055
  • From 15.2.2562 before 15.02.2562.056

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-70279