CVE-2026-50499: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1809
CVE-2026-50499 is a heap-based buffer overflow vulnerability in the Windows Print Spooler components of Microsoft Windows 10 Version 1809. This flaw allows an authorized local attacker to elevate privileges on the affected system. The vulnerability has a high severity rating with a CVSS score of 7.8. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability involves a heap-based buffer overflow in the Windows Print Spooler components on Windows 10 Version 1809 (build 10.0.17763.0). An attacker with local authorized access can exploit this flaw to escalate their privileges, potentially gaining higher system rights. The vulnerability is tracked as CWE-122 and has been assigned CVE-2026-50499. Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate their privileges, potentially gaining full control over the affected system. This can lead to compromise of system integrity, confidentiality, and availability.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50499 to remediate this vulnerability.
CVE-2026-50499: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1809
Description
CVE-2026-50499 is a heap-based buffer overflow vulnerability in the Windows Print Spooler components of Microsoft Windows 10 Version 1809. This flaw allows an authorized local attacker to elevate privileges on the affected system. The vulnerability has a high severity rating with a CVSS score of 7.8. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a heap-based buffer overflow in the Windows Print Spooler components on Windows 10 Version 1809 (build 10.0.17763.0). An attacker with local authorized access can exploit this flaw to escalate their privileges, potentially gaining higher system rights. The vulnerability is tracked as CWE-122 and has been assigned CVE-2026-50499. Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate their privileges, potentially gaining full control over the affected system. This can lead to compromise of system integrity, confidentiality, and availability.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50499 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:59:53.337Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50499","vendor":"Microsoft"}]
Threat ID: 6a5676a768715ace43f09671
Added to database: 07/14/2026, 17:49:27 UTC
Last enriched: 07/14/2026, 23:02:52 UTC
Last updated: 07/15/2026, 03:27:34 UTC
Views: 2
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