CVE-2026-85903
HighCVSS 8.8Exploitation Probability (EPSS)
Low risk45th percentile - higher than 45% of all known CVEs
Summary
Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.
Risk Assessment
This flaw is especially dangerous because it can be exploited remotely without authentication, potentially leading to DNS server takeover and disruption of network services.
Recommendation
Install security updates for DNS Server as soon as possible and restrict network access to the DNS service from untrusted networks.
Other vulnerabilities in DNS Server
See all- CVE-2026-96113Critical
A heap-based buffer overflow in DNS Server allows an unauthorized attacker to execute code over a network. The vulnerability stems from improper memory handling during DNS query processing.
- CVE-2026-83869Critical
Integer underflow (wrap or wraparound) in DNS Server allows an unauthorized attacker to execute code over a network.
- CVE-2016-3227Critical
A use-after-free vulnerability in the DNS Server component in Microsoft Windows Server 2012 Gold and R2 allows remote attackers to execute arbitrary code via crafted requests.
- CVE-2026-97844Medium
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
- CVE-2026-97843Medium
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
- CVE-2026-97842Medium
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
- CVE-2026-97841Medium
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
- CVE-2026-97840Medium
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
- CVE-2026-97839Medium
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
- CVE-2026-97838Medium
An out-of-bounds read vulnerability in the DNS Server allows an authorized attacker to disclose information over a network.
Original NVD description (English source)
Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS