CVE-2026-44820

Published: Giu 09, 2026 Last Modified: Giu 11, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,8
Source: [email protected]
Attack Vector: local
Attack Complexity: low
Privileges Required: none
User Interaction: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high

Description

AI Translation Available

Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0008
Percentile
0,2th
Updated

EPSS Score Trend (Last 5 Days)

125

Out-of-bounds Read

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Availability Other
Potential Impacts:
Read Memory Bypass Protection Mechanism Dos: Crash, Exit, Or Restart Varies By Context
Applicable Platforms
Languages: Memory-Unsafe, C, C++
Technologies: ICS/OT
View CWE Details
Application

Office 2021 by Microsoft

Product Information
Vendor Microsoft
Product Office 2021
Version -
cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:macos:-:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Office 2021 by Microsoft

Product Information
Vendor Microsoft
Product Office 2021
Version -
cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x86:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Microsoft 365 by Microsoft

Product Information
Vendor Microsoft
Product Microsoft 365
Version -
cpe:2.3:a:microsoft:microsoft_365:-:*:*:*:*:macos:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Office 2019 by Microsoft

Product Information
Vendor Microsoft
Product Office 2019
Version -
cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x86:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Office 2021 by Microsoft

Product Information
Vendor Microsoft
Product Office 2021
Version -
cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x64:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Office 2019 by Microsoft

Product Information
Vendor Microsoft
Product Office 2019
Version -
cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x64:*
Common Platform Enumeration - Standardized vulnerability identification
Application

365 Apps by Microsoft

Product Information
Vendor Microsoft
Product 365 Apps
Version -
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Office 2024 by Microsoft

Product Information
Vendor Microsoft
Product Office 2024
Version -
cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x64:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Office 2024 by Microsoft

Product Information
Vendor Microsoft
Product Office 2024
Version -
cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:macos:-:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Office 2024 by Microsoft

Product Information
Vendor Microsoft
Product Office 2024
Version -
cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x86:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Excel by Microsoft

Product Information
Vendor Microsoft
Product Excel
Version 2016
cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x86:*
Common Platform Enumeration - Standardized vulnerability identification
Application

365 Apps by Microsoft

Product Information
Vendor Microsoft
Product 365 Apps
Version -
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Excel by Microsoft

Product Information
Vendor Microsoft
Product Excel
Version 2016
cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x64:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Office Online Server by Microsoft

Product Information
Vendor Microsoft
Product Office Online Server
Version -
cpe:2.3:a:microsoft:office_online_server:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2…
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44820