CVE-2026-70330
MediumCVSS 6.7Exploitation Probability (EPSS)
Low risk26th percentile - higher than 26% of all known CVEs
Summary
Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locally.
Risk Assessment
The risk of privilege escalation could allow an attacker to gain higher privileges in the system, potentially leading to full compromise.
Recommendation
It is recommended to urgently apply security updates from the vendor and restrict access to DNS services.
Other vulnerabilities in Windows DNS
See all- CVE-2026-69730Critical
Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.
- CVE-2026-62878Critical
A stack-based buffer overflow in Windows DNS allows an unauthorized attacker to execute code over a network.
- CVE-2026-70166Medium
Out-of-bounds read in Windows DNS allows an authorized attacker to deny service over a network.
- CVE-2026-70155High
Missing release of memory after effective lifetime in Windows DNS. An unauthorized attacker can exploit this to cause a denial of service over a network.
- CVE-2026-70119Medium
Out-of-bounds read in Windows DNS allows an authorized attacker to execute code over a network.
- CVE-2026-70082High
Uncaught exception in Windows DNS. An unauthorized attacker can deny service over a network.
- CVE-2026-70079High
Improper enforcement of behavioral workflow in Windows DNS. An unauthorized attacker can deny service over a network.
- CVE-2026-70074Medium
Out-of-bounds read in Windows DNS allows an authorized attacker to disclose information locally.
- CVE-2026-78523Medium
A use-after-free vulnerability in Windows DNS allows an unauthorized attacker to cause a denial of service over a network.
- CVE-2026-72987High
Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.
Original NVD description (English source)
Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS