CVE-2026-70138
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk26th percentile - higher than 26% of all known CVEs
Summary
Heap-based buffer overflow in Windows OLE. An authorized attacker can exploit this to elevate privileges locally.
Risk Assessment
An attacker with local access could elevate privileges, creating a risk of device takeover and further escalation.
Recommendation
Install the Windows security updates immediately and restrict local access to trusted users.
Other vulnerabilities in Windows OLE
See all- CVE-2026-96924Critical
Windows OLE is affected by an untrusted pointer dereference vulnerability. This allows an unauthorized attacker to execute code over a network.
- CVE-2026-70059High
Heap-based buffer overflow in Windows OLE allows an authorized attacker to elevate privileges locally.
- CVE-2026-50686High
Windows OLE has a type confusion vulnerability that allows an unauthorized attacker to execute code remotely.
- CVE-2026-50344High
Improper authorization in Windows OLE allows an authorized attacker to elevate privileges locally.
- CVE-2024-30077High
A remote code execution vulnerability in the Windows OLE component allows an attacker to execute arbitrary code in the context of the logged-on user. Exploitation requires user interaction, such as opening a specially crafted file.
- CVE-2024-21372High
Remote code execution vulnerability in Windows OLE. An attacker could exploit it to execute code on the target system.
- CVE-2023-35323High
A vulnerability in Windows OLE allows for remote code execution. An attacker can exploit this flaw to gain control over the victim's system.
Original NVD description (English source)
Heap-based buffer overflow in Windows OLE allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

