CVE-2026-70296: CWE-787: Out-of-bounds Write in Microsoft Windows 10 Version 1607
CVE-2026-70296 is a critical out-of-bounds write vulnerability in the Windows Imaging Component of Microsoft Windows 10 Version 1607. This flaw allows an unauthorized attacker to execute arbitrary code remotely over a network without requiring user interaction or privileges. The vulnerability has a CVSS score of 9.8, indicating high impact on confidentiality, integrity, and availability. An official fix is available from Microsoft to remediate this issue.
AI Analysis
Technical Summary
CVE-2026-70296 is an out-of-bounds write vulnerability (CWE-787) in the Windows Imaging Component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). This vulnerability enables remote code execution by an attacker without authentication or user interaction. The vulnerability is classified as critical with a CVSS 3.1 base score of 9.8, reflecting its ease of exploitation and severe impact. Microsoft has released an official patch to address this issue, as documented in their security update guide.
Potential Impact
Successful exploitation of this vulnerability allows an attacker to execute arbitrary code remotely on affected Windows 10 Version 1607 systems. This can lead to full compromise of the affected system, including complete control over confidentiality, integrity, and availability. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
An official fix is available from Microsoft. It is strongly recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70296 to remediate this vulnerability.
CVE-2026-70296: CWE-787: Out-of-bounds Write in Microsoft Windows 10 Version 1607
Description
CVE-2026-70296 is a critical out-of-bounds write vulnerability in the Windows Imaging Component of Microsoft Windows 10 Version 1607. This flaw allows an unauthorized attacker to execute arbitrary code remotely over a network without requiring user interaction or privileges. The vulnerability has a CVSS score of 9.8, indicating high impact on confidentiality, integrity, and availability. An official fix is available from Microsoft to remediate this issue.
CVSS v3.1
Score 9.8critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-70296 is an out-of-bounds write vulnerability (CWE-787) in the Windows Imaging Component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). This vulnerability enables remote code execution by an attacker without authentication or user interaction. The vulnerability is classified as critical with a CVSS 3.1 base score of 9.8, reflecting its ease of exploitation and severe impact. Microsoft has released an official patch to address this issue, as documented in their security update guide.
Potential Impact
Successful exploitation of this vulnerability allows an attacker to execute arbitrary code remotely on affected Windows 10 Version 1607 systems. This can lead to full compromise of the affected system, including complete control over confidentiality, integrity, and availability. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
An official fix is available from Microsoft. It is strongly recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70296 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T23:58:13.216Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70296","vendor":"Microsoft"}]
Threat ID: 6aa04539acd9273b49fa9b39
Added to database: 09/08/2026, 17:26:17 UTC
Last enriched: 09/09/2026, 00:37:19 UTC
Last updated: 09/09/2026, 00:37:19 UTC
Views: 2
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