CVE-2026-70327
medium
Microsoft CVSS v3 Base Score
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS Score
0.9%
Exploitation probability in 30 days
Top 45% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Published: August 11, 2026 (26 days ago)
Last Modified: August 13, 2026
Vendor: Microsoft
Source: NVD
Vulnerability Report
Generated by CyberWatcher
Description
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CWE
CWE-125Affected Products
microsoft 365 appsmicrosoft excelmicrosoft microsoft 365microsoft office 2019microsoft office 2021microsoft office 2024