CVE-2026-44812: CWE-190: Integer Overflow or Wraparound in Microsoft Microsoft Excel for Android
CVE-2026-44812 is a high-severity integer overflow or wraparound vulnerability in Microsoft Excel for Android. It involves a flaw in Windows Win32K - GRFX that could allow an unauthorized local attacker to execute code. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-44812, is an integer overflow or wraparound issue categorized under CWE-190 affecting Microsoft Excel for Android. The flaw exists in the Windows Win32K - GRFX component and can be exploited by an unauthorized local attacker to achieve code execution. The CVSS 3.1 base score is 7.8, indicating high severity with impacts on confidentiality, integrity, and availability. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
Successful exploitation of this vulnerability allows an unauthorized local attacker to execute arbitrary code on the affected system, potentially leading to full compromise of confidentiality, integrity, and availability of the system running Microsoft Excel for Android.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the provided security update as soon as possible. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44812 for detailed patching instructions.
CVE-2026-44812: CWE-190: Integer Overflow or Wraparound in Microsoft Microsoft Excel for Android
Description
CVE-2026-44812 is a high-severity integer overflow or wraparound vulnerability in Microsoft Excel for Android. It involves a flaw in Windows Win32K - GRFX that could allow an unauthorized local attacker to execute code. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 7.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-44812, is an integer overflow or wraparound issue categorized under CWE-190 affecting Microsoft Excel for Android. The flaw exists in the Windows Win32K - GRFX component and can be exploited by an unauthorized local attacker to achieve code execution. The CVSS 3.1 base score is 7.8, indicating high severity with impacts on confidentiality, integrity, and availability. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
Successful exploitation of this vulnerability allows an unauthorized local attacker to execute arbitrary code on the affected system, potentially leading to full compromise of confidentiality, integrity, and availability of the system running Microsoft Excel for Android.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the provided security update as soon as possible. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44812 for detailed patching instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-07T20:07:18.271Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44812","vendor":"Microsoft"}]
Threat ID: 6a284cd18dd33fbd85664a87
Added to database: 6/9/2026, 5:26:41 PM
Last enriched: 6/9/2026, 10:41:49 PM
Last updated: 6/10/2026, 4:37:51 AM
Views: 4
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