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Microsoft CVE-2026-40360

| EUVDEUVD-2026-29642 HIGH
Out-of-bounds Read (CWE-125)
2026-05-12 microsoft GHSA-m94j-ww5w-723q
7.8
CVSS 3.1 · NVD
Temporal: 6.8
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Severity by source

NVD PRIMARY
7.8 HIGH
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
ENISA EUVD
HIGH
qualitative
CIRCL (temporal)
6.8 MEDIUM
cvss

Primary rating from NVD.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
May 12, 2026 - 16:58 nvd
HIGH 7.8

DescriptionCVE.org

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

Analysis

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

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CVE-2026-40360 vulnerability details – vuln.today

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