CVE-2026-26112
Received Received - Intake
Untrusted Pointer Dereference in Excel Enables Local Code Execution

Publication date: 2026-03-10

Last updated on: 2026-03-13

Assigner: Microsoft Corporation

Description
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-03-10
Last Modified
2026-03-13
Generated
2026-06-16
AI Q&A
2026-03-10
EPSS Evaluated
2026-06-15
NVD
CVE-2026-26112
EUVD
EUVD-2026-10678
Affected Vendors & Products
Showing 13 associated CPEs
Vendor Product Version / Range
microsoft 365_apps *
microsoft 365_apps *
microsoft excel 2016
microsoft excel 2016
microsoft office_long_term_servicing_channel 2021
microsoft office 2019
microsoft office 2019
microsoft office_long_term_servicing_channel 2024
microsoft office_long_term_servicing_channel 2021
microsoft office_long_term_servicing_channel 2021
microsoft office_long_term_servicing_channel 2024
microsoft office_long_term_servicing_channel 2024
microsoft office_online_server to 16.0.10417.20102 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-822 The product obtains a value from an untrusted source, converts this value to a pointer, and dereferences the resulting pointer.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is an untrusted pointer dereference in Microsoft Office Excel that allows an unauthorized attacker to execute code locally on the affected system.

Impact Analysis

The vulnerability can lead to local code execution by an unauthorized attacker, which means the attacker could run malicious code on your system with the privileges of the user running Excel.

  • Potential compromise of confidentiality, integrity, and availability of your data and system.
  • Possible installation of malware or further exploitation of the system.
Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

I don't know

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-26112. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart