CVE-2026-26107

HIGH
2026-03-10 [email protected]
7.8
CVSS 3.1
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CVSS Vector

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

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Mar 10, 2026 - 18:18 nvd
HIGH 7.8

Description

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Analysis

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. [CVSS 7.8 HIGH]

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Remediation

Within 24 hours: Inventory all Excel deployments and identify high-risk user populations (finance, legal, external-facing roles). Within 7 days: Implement compensating controls (disable macros, restrict file types, deploy application whitelisting) and communicate risks to users. …

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Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +39
POC: 0

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CVE-2026-26107 vulnerability details – vuln.today

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