๐Ÿ” CVE Alert

CVE-2026-68800

HIGH 7.8

Microsoft Excel Remote Code Execution Vulnerability

CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th

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

Vendor microsoft
Product microsoft office 365 for mac
Ecosystems
Industries
TechnologyEnterprise
Published Aug 11, 2026
Last Updated Oct 30, 2026
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CVSS v3 Breakdown

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
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

Microsoft / Microsoft Office 365 for Mac
1.0.0 < 16.112.26081010

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
msrc.microsoft.com: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68800