VDB

CVE-2026-42831

CVE-2026-42831 PUBLISHED CVSS 7.800000190734863 HIGH

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

EPSS 0.06% · 19.5th percentile

Risk Scores

CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
EPSS Score
0.06%
19.5th percentile

Affected Products

VendorProductVersions
microsoftoffice_macos_202416.0.0, 16.0.0, 16.0.0
MicrosoftMicrosoft Office for Android16.0.1, 16.0.1, 16.0.1
microsoftoffice16.0.1, 16.0.1, 16.0.1
MicrosoftMicrosoft Office LTSC for Mac 202116.0.1, 16.0.1, 16.0.1
MicrosoftMicrosoft Office LTSC for Mac 202416.0.0, 16.0.0, 16.0.0
microsoftoffice_macos_202116.0.1, 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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