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 (CVE-2026-42832) involves improper access control (CWE-284) in Microsoft Excel for Android version 16.0.0.0. It enables an unauthorized attacker with local access to perform spoofing attacks, which can lead to high impact on confidentiality and integrity of data. The CVSS v3.1 base score is 7.7, reflecting high severity with low attack complexity and no required privileges or user interaction. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
Successful exploitation allows an attacker to spoof content locally within Microsoft Excel for Android, potentially misleading users or applications by presenting falsified information. The impact affects confidentiality and integrity but does not affect availability. 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 from the Microsoft security update guide to remediate this vulnerability. No additional mitigation steps are indicated by the vendor advisory.
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-42832) involves improper access control (CWE-284) in Microsoft Excel for Android version 16.0.0.0. It enables an unauthorized attacker with local access to perform spoofing attacks, which can lead to high impact on confidentiality and integrity of data. The CVSS v3.1 base score is 7.7, reflecting high severity with low attack complexity and no required privileges or user interaction. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
Successful exploitation allows an attacker to spoof content locally within Microsoft Excel for Android, potentially misleading users or applications by presenting falsified information. The impact affects confidentiality and integrity but does not affect availability. 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 from the Microsoft security update guide to remediate this vulnerability. No additional mitigation steps are indicated by the vendor advisory.
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: 5/12/2026, 5:37:40 PM
Last enriched: 5/12/2026, 6:06:59 PM
Last updated: 5/13/2026, 4:49:18 AM
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.