CVE-2026-49795: CWE-416: Use After Free in Microsoft Windows 10 Version 1809
CVE-2026-49795 is a use-after-free vulnerability in the Windows Kernel of Microsoft Windows 10 Version 1809. This flaw allows an authorized local attacker to elevate privileges. The vulnerability has a high severity with a CVSS score of 8.8. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-49795) involves a use-after-free condition in the Windows Kernel on Windows 10 Version 1809 (build 10.0.17763.0). An authorized local attacker can exploit this flaw to elevate privileges, potentially gaining higher system rights. The vulnerability has been assigned a high CVSS v3.1 score of 8.8, indicating significant impact on confidentiality, integrity, and availability. Microsoft has released an official fix to remediate this issue, as documented in their security update guide.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges on the affected system, potentially gaining full control. The vulnerability impacts confidentiality, integrity, and availability with high severity. There are no known exploits in the wild at the time of this report.
Mitigation Recommendations
An official fix is available from Microsoft. It is strongly recommended to apply the security update provided by Microsoft for Windows 10 Version 1809 (build 10.0.17763.0) as detailed in the Microsoft security update guide: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49795. Applying this patch will remediate the vulnerability.
CVE-2026-49795: CWE-416: Use After Free in Microsoft Windows 10 Version 1809
Description
CVE-2026-49795 is a use-after-free vulnerability in the Windows Kernel of Microsoft Windows 10 Version 1809. This flaw allows an authorized local attacker to elevate privileges. The vulnerability has a high severity with a CVSS score of 8.8. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-49795) involves a use-after-free condition in the Windows Kernel on Windows 10 Version 1809 (build 10.0.17763.0). An authorized local attacker can exploit this flaw to elevate privileges, potentially gaining higher system rights. The vulnerability has been assigned a high CVSS v3.1 score of 8.8, indicating significant impact on confidentiality, integrity, and availability. Microsoft has released an official fix to remediate this issue, as documented in their security update guide.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges on the affected system, potentially gaining full control. The vulnerability impacts confidentiality, integrity, and availability with high severity. There are no known exploits in the wild at the time of this report.
Mitigation Recommendations
An official fix is available from Microsoft. It is strongly recommended to apply the security update provided by Microsoft for Windows 10 Version 1809 (build 10.0.17763.0) as detailed in the Microsoft security update guide: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49795. Applying this patch will remediate the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-01T17:02:37.208Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49795","vendor":"Microsoft"}]
Threat ID: 6a566f6f68715ace43e6b588
Added to database: 07/14/2026, 17:18:39 UTC
Last enriched: 07/15/2026, 01:34:55 UTC
Last updated: 07/15/2026, 01:34:55 UTC
Views: 3
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