CVE-2026-62878
CriticalCVSS 9.8Exploitation Probability (EPSS)
Elevated risk68th percentile - higher than 68% of all known CVEs
Summary
A stack-based buffer overflow in Windows DNS allows an unauthorized attacker to execute code over a network.
Risk Assessment
An attacker could exploit the vulnerability to execute remote code, potentially compromising the DNS server.
Recommendation
Install security updates for Windows DNS and restrict access to the DNS service.
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-2026-78523Medium
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.
- CVE-2026-72948Medium
Relative path traversal in Windows DNS allows an authorized attacker to elevate privileges locally.
- CVE-2026-72928High
Use-after-free in Windows DNS allows an authorized attacker to execute code over a network.
- CVE-2026-70091Medium
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DNS allows an unauthorized attacker to deny service over a network.
- CVE-2026-69858High
A use-after-free vulnerability in Windows DNS allows an unauthorized attacker to execute code over a network.
- CVE-2026-69813High
Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.
- CVE-2026-69680High
Origin validation error in Windows DNS allows an unauthorized attacker to perform spoofing over a network.
- CVE-2026-69672Medium
Use of uninitialized resource in Windows DNS allows an authorized attacker to disclose information locally.
Original NVD description (English source)
Stack-based buffer overflow in Windows DNS allows an unauthorized attacker to execute code over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS