VDB

CVE-2026-44822

CVE-2026-44822 PUBLISHED CVSS 8.2 HIGH

Reported by microsoft · Published June 9, 2026

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

Risk Scores

CVSS 3.1
8.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C

Affected Products

VendorProductVersions
MicrosoftMicrosoft 365 Apps for Enterprise16.0.1
MicrosoftMicrosoft Excel 201616.0.0.0
MicrosoftMicrosoft Office 201919.0.0
MicrosoftMicrosoft Office 365 for Mac1.0.0
MicrosoftMicrosoft Office LTSC 202116.0.1
MicrosoftMicrosoft Office LTSC 202416.0.0
MicrosoftMicrosoft Office LTSC for Mac 202116.0.1
MicrosoftMicrosoft Office LTSC for Mac 202416.0.0
MicrosoftOffice Online Server16.0.0.0
MicrosoftMicrosoft Excel 201616.0.0.0, 16.0.0.0, 16.0.0.0
MicrosoftMicrosoft 365 Apps for Enterprise16.0.1, 16.0.1, 16.0.1
microsoftoffice_macos_2024-, 16.0.0, 16.0.0
microsoftoffice_202416.0.0, 16.0.0, 16.0.0
MicrosoftOffice Online Server16.0.0.0, 16.0.0.0, 16.0.0.0
microsoftoffice_201919.0.0, 19.0.0, 19.0.0
MicrosoftMicrosoft Office 365 for Mac-, 1.0.0, 1.0.0
microsoftoffice_202116.0.0.0, 16.0.1, 16.0.0.0
microsoftexcel_201616.0.0.0, 16.0.0.0, 16.0.0.0
MicrosoftMicrosoft Office LTSC for Mac 2024-, 16.0.0, 16.0.0
microsoftoffice_365-, -, -

…and 6 more

Timeline

  • Jun 9, 2026 CVE Published
  • Jun 10, 2026 Coalition ESS Score
  • Jun 10, 2026 Security Advisory
  • Jun 10, 2026 Security Advisory
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