CVE-2026-25188: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to elevate privileges over an adjacent network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-25188) involves a heap-based buffer overflow in the Windows Telephony Service component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An attacker without privileges or user interaction can exploit this flaw remotely over an adjacent network to gain elevated privileges on the affected system. The vulnerability is classified under CWE-122 (Heap-based Buffer Overflow) and has a CVSS v3.1 base score of 8.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to address this issue.
Potential Impact
Successful exploitation of this vulnerability allows an attacker to elevate privileges on the affected Windows 10 Version 1607 system remotely over an adjacent network. This can lead to full system compromise, including complete control over confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-25188 to remediate this issue. No additional mitigation steps are indicated beyond applying the official patch.
CVE-2026-25188: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to elevate privileges over an adjacent network.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-25188) involves a heap-based buffer overflow in the Windows Telephony Service component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An attacker without privileges or user interaction can exploit this flaw remotely over an adjacent network to gain elevated privileges on the affected system. The vulnerability is classified under CWE-122 (Heap-based Buffer Overflow) and has a CVSS v3.1 base score of 8.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to address this issue.
Potential Impact
Successful exploitation of this vulnerability allows an attacker to elevate privileges on the affected Windows 10 Version 1607 system remotely over an adjacent network. This can lead to full system compromise, including complete control over confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-25188 to remediate this issue. No additional mitigation steps are indicated beyond applying the official patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-01-29T18:36:49.696Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-25188","vendor":"Microsoft"}]
Threat ID: 69b0562fea502d3aa87d6adc
Added to database: 03/10/2026, 17:34:39 UTC
Last enriched: 06/19/2026, 20:29:17 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 163
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