CVE-2026-58538: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1809
Heap-based buffer overflow in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
CVE-2026-58538 is a heap-based buffer overflow vulnerability in the Windows Bluetooth Service component of Microsoft Windows 10 Version 1809 (build 10.0.17763.0). An authorized attacker with local access can exploit this vulnerability to elevate privileges on the affected system. The vulnerability is tracked under CWE-122 and has a CVSS v3.1 base score of 7.8, indicating high severity. Microsoft has released an official fix for this issue, as documented in their security update guide.
Potential Impact
Successful exploitation allows an authorized local attacker to gain elevated privileges, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability with high impact ratings.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1809 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58538 for detailed patching instructions.
CVE-2026-58538: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1809
Description
Heap-based buffer overflow in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-58538 is a heap-based buffer overflow vulnerability in the Windows Bluetooth Service component of Microsoft Windows 10 Version 1809 (build 10.0.17763.0). An authorized attacker with local access can exploit this vulnerability to elevate privileges on the affected system. The vulnerability is tracked under CWE-122 and has a CVSS v3.1 base score of 7.8, indicating high severity. Microsoft has released an official fix for this issue, as documented in their security update guide.
Potential Impact
Successful exploitation allows an authorized local attacker to gain elevated privileges, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability with high impact ratings.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1809 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58538 for detailed patching instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-01T04:33:41.870Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58538","vendor":"Microsoft"}]
Threat ID: 6a5676c268715ace43f0b17f
Added to database: 07/14/2026, 17:49:54 UTC
Last enriched: 07/14/2026, 18:06:33 UTC
Last updated: 07/14/2026, 20:32:45 UTC
Views: 3
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