VDB

CVE-2026-40419

CVE-2026-40419 PUBLISHED CVSS 7.800000190734863 HIGH

Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.

EPSS 0.05% · 15.7th percentile

Risk Scores

CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
EPSS Score
0.05%
15.7th percentile

Affected Products

VendorProductVersions
microsoftoffice_202416.0.0, 16.0.0, 16.0.0
microsoftoffice_201919.0.0, 19.0.0, 19.0.0
MicrosoftMicrosoft Office LTSC 202416.0.0, 16.0.0, 16.0.0
MicrosoftMicrosoft Office 201919.0.0, 19.0.0, 19.0.0
MicrosoftMicrosoft 365 Apps for Enterprise16.0.1, 16.0.1, 16.0.1
MicrosoftMicrosoft Office LTSC 202116.0.1, 16.0.1, 16.0.1
microsoftoffice_202116.0.1, 16.0.1, 16.0.1
microsoft365_apps16.0.1, 16.0.1, 16.0.1

Timeline

  • May 12, 2026 PoC Published
  • May 12, 2026 PoC Published
  • May 12, 2026 CVE Published
  • May 13, 2026 PoC Published
  • May 13, 2026 Security Advisory
  • May 13, 2026 Security Advisory
  • May 13, 2026 Security Advisory
  • May 13, 2026 Security Advisory
  • May 13, 2026 Security Advisory
  • May 13, 2026 Security Advisory
  • May 13, 2026 Security Advisory
  • May 13, 2026 Security Advisory

References

…and 2 more

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