CVE-2026-68816
highCVSS v3 Base Score
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
0.3%
Exploitation probability in 30 days
Top 73% most likely to be exploited
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Published: August 11, 2026 (26 days ago)
Last Modified: August 13, 2026
Vendor: Microsoft
Source: NVD
Vulnerability Report
Generated by CyberWatcher
Description
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CWE
CWE-121Affected Products
microsoft 365 appsmicrosoft excelmicrosoft microsoft 365microsoft office 2019microsoft office 2021microsoft office 2024