CVE-2026-88121
HighCVSS 8.0Summary
Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code over a network.
Risk Assessment
An unauthorized attacker could remotely execute code, potentially leading to full system compromise.
Recommendation
Apply security updates for BITS and restrict network access to the service.
Other vulnerabilities in Windows Background Intelligent Transfer Service (BITS)
See all- CVE-2026-88173High
Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code over a network.
- CVE-2026-88159High
Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code over a network.
- CVE-2026-88152High
A use after free vulnerability in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.
- CVE-2026-88146High
A race condition due to improper synchronization of a shared resource in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.
- CVE-2026-88142High
A use after free vulnerability in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code over a network.
- CVE-2026-88118High
Integer overflow or wraparound in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.
- CVE-2026-85848High
Heap-based buffer overflow in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.
- CVE-2026-85843High
Use of uninitialized resource in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.
- CVE-2026-85832High
Heap-based buffer overflow in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS