CVE-2026-42832: CWE-284: Improper Access Control in Microsoft Microsoft Excel for Android
Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-284 (Improper Access Control), affects Microsoft Excel for Android version 16.0.0.0. It enables an unauthorized local attacker to perform spoofing, potentially misleading users by presenting false information. The CVSS 3.1 base score is 7.7, indicating high severity with high impact on confidentiality and integrity but no impact on availability. Microsoft has released an official fix for this issue.
Potential Impact
An unauthorized local attacker can exploit this vulnerability to spoof content within Microsoft Excel for Android, potentially leading to misinformation or deception of the user. The confidentiality and integrity of data can be compromised, but availability is not affected. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the provided patch to Microsoft Excel for Android version 16.0.0.0 as soon as possible. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42832 for detailed update instructions.
CVE-2026-42832: CWE-284: Improper Access Control in Microsoft Microsoft Excel for Android
Description
Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.
CVSS v3.1
Score 7.7high
Affected software
Microsoft
Microsoft Excel for Android
Microsoft
Microsoft Office LTSC for Mac 2021
Microsoft
Microsoft Office LTSC for Mac 2024
Microsoft
Microsoft Word for Android
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-284 (Improper Access Control), affects Microsoft Excel for Android version 16.0.0.0. It enables an unauthorized local attacker to perform spoofing, potentially misleading users by presenting false information. The CVSS 3.1 base score is 7.7, indicating high severity with high impact on confidentiality and integrity but no impact on availability. Microsoft has released an official fix for this issue.
Potential Impact
An unauthorized local attacker can exploit this vulnerability to spoof content within Microsoft Excel for Android, potentially leading to misinformation or deception of the user. The confidentiality and integrity of data can be compromised, but availability is not affected. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the provided patch to Microsoft Excel for Android version 16.0.0.0 as soon as possible. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42832 for detailed update instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-04-30T14:51:12.703Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42832","vendor":"Microsoft"}]
Threat ID: 6a036564cbff5d861008cc8d
Added to database: 05/12/2026, 17:37:40 UTC
Last enriched: 08/11/2026, 16:55:24 UTC
Last updated: 09/14/2026, 22:01:34 UTC
Views: 66
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