CVE-2026-88142

HighCVSS 8.8/10Last modified Oct 28, 2026

Description

Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code over a network.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

VendorProductVersions
MicrosoftWindows 10 Version 1607>= 10.0.14393.0, < 10.0.14393.9612
MicrosoftWindows 10 Version 1809>= 10.0.17763.0, < 10.0.17763.9376
MicrosoftWindows 10 Version 21H2>= 10.0.19044.0, < 10.0.19044.7807
MicrosoftWindows 10 Version 22H2>= 10.0.19045.0, < 10.0.19045.7807
MicrosoftWindows 11 version 23H2>= 10.0.22631.0, < 10.0.22631.7652
MicrosoftWindows 11 Version 23H2>= 10.0.22631.0, < 10.0.22631.7652
MicrosoftWindows 11 Version 24H2>= 10.0.26100.0, < 10.0.26100.9711
MicrosoftWindows 11 Version 25H2>= 10.0.26200.0, < 10.0.26200.9711
MicrosoftWindows 11 version 26H1>= 10.0.28000.0, < 10.0.28000.3231
MicrosoftWindows 11 Version 26H2>= 10.0.26300.0, < 10.0.26300.9711
MicrosoftWindows Server 2012>= 6.2.9200.0, < 6.2.9200.26434
MicrosoftWindows Server 2012 (Server Core installation)>= 6.2.9200.0, < 6.2.9200.26434
MicrosoftWindows Server 2012 R2>= 6.3.9600.0, < 6.3.9600.23470
MicrosoftWindows Server 2012 R2 (Server Core installation)>= 6.3.9600.0, < 6.3.9600.23470
MicrosoftWindows Server 2016>= 10.0.14393.0, < 10.0.14393.9612
MicrosoftWindows Server 2016 (Server Core installation)>= 10.0.14393.0, < 10.0.14393.9612
MicrosoftWindows Server 2019>= 10.0.17763.0, < 10.0.17763.9376
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.17763.0, < 10.0.17763.9376
MicrosoftWindows Server 2022>= 10.0.20348.0, < 10.0.20348.5761
MicrosoftWindows Server 2025>= 10.0.26100.0, < 10.0.26100.33650
MicrosoftWindows Server 2025 (Server Core installation)>= 10.0.26100.0, < 10.0.26100.33650

References

Timeline

Published
Oct 13, 2026
Last modified
Oct 28, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-881437.8Heap-based buffer overflow in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.CVE-2026-881448.8Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.CVE-2026-881458.8Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.CVE-2026-881467.0Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Background Intelligent Transfer ServiCVE-2026-881477.8Heap-based buffer overflow in Windows Secure Socket Tunneling Protocol (SSTP) allows an authorized attacker to elevate privileges locally.CVE-2026-881497.0Double free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.CVE-2026-881508.8Use of uninitialized resource in Microsoft Office Word allows an unauthorized attacker to execute code over a network.CVE-2026-881516.5Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.CVE-2026-881527.8Use after free in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.CVE-2026-881536.5Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.CVE-2026-881546.5Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.CVE-2026-881558.8Heap-based buffer overflow in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVE-2026-88142: High severity, CVSS 8.8 | Vulnix