CVE-2026-88118
HighCVSS 7.8Summary
Integer overflow or wraparound in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.
Risk Assessment
An attacker who already has an account on the system could elevate privileges to administrator level, enabling full control over the host.
Recommendation
Install the latest Microsoft security update for the BITS service and enforce the principle of least privilege for local accounts.
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-2026-88121High
Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code over a network.
- 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)
Integer overflow or wraparound in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS