VDB

CVE-2026-21527

CVE-2026-21527 PUBLISHED CVSS 8.699999809265137 HIGH

Exchange ist ein Groupware und Nachrichtensystem der Firma Microsoft.

EPSS 7.68% · 94.2th percentile

Risk Scores

CVSS 4.0
8.699999809265137
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS Score
7.68%
94.2th percentile

Affected Products

VendorProductVersions
MicrosoftMicrosoft Windows 11 version 26H1
MicrosoftMicrosoft Exchange Server 2019 Cumulative Update 14
MicrosoftMicrosoft Exchange Server 2016 Cumulative Update 23
MicrosoftMicrosoft Exchange Server 2019 Cumulative Update 15
MicrosoftMicrosoft Windows 11 Version 23H2
MicrosoftMicrosoft Windows App for Mac
MicrosoftMicrosoft Windows Server 2012 R2
MicrosoftMicrosoft Windows Server 2022 23H2 Edition
MicrosoftMicrosoft Windows 10 Version 21H2
MicrosoftMicrosoft Windows 10 Version 22H2
MicrosoftMicrosoft Windows Server 2012
MicrosoftMicrosoft Windows 10 Version 1809
MicrosoftMicrosoft Windows Server 2016
MicrosoftMicrosoft Windows 11 Version 26H1
MicrosoftMicrosoft Windows Server 2019
MicrosoftMicrosoft Windows Server 2022
MicrosoftMicrosoft Exchange Server Subscription Edition RTM
MicrosoftMicrosoft Windows Server 2025
HitachiHitachi Storage
MicrosoftMicrosoft Windows 10 Version 1607

…and 2 more

Timeline

  • Feb 10, 2026 CVE Published
  • Feb 10, 2026 PoC Published
  • Feb 11, 2026 EPSS Score
  • Feb 12, 2026 PoC Published
  • Feb 13, 2026 EPSS Score
  • Feb 13, 2026 PoC Published
  • Feb 13, 2026 PoC Published
  • Feb 13, 2026 PoC Published
  • Feb 15, 2026 EPSS Score
  • Feb 17, 2026 EPSS Score
  • Feb 19, 2026 EPSS Score
  • Feb 22, 2026 EPSS Score

References

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