CVE-2026-69809
HighCVSS 7.5Exploitation Probability (EPSS)
Elevated risk64th percentile - higher than 64% of all known CVEs
Summary
Missing release of memory after effective lifetime in Active Directory Domain Services allows an unauthorized attacker to deny service over a network.
Risk Assessment
A remote attacker could cause memory exhaustion, leading to unavailability of directory services.
Recommendation
Apply the latest security updates and monitor memory usage on domain controllers.
Other vulnerabilities in Active Directory Domain Services
See all- CVE-2022-26923HighActively exploited
A privilege elevation vulnerability in Active Directory Domain Services (AD DS). An attacker can gain domain administrator privileges.
- CVE-2021-42287HighActively exploited
Active Directory Domain Services Elevation of Privilege Vulnerability. Technical details are not provided in the description.
- CVE-2021-42278HighActively exploited
Active Directory Domain Services Elevation of Privilege Vulnerability. Technical details are not provided in the description.
- CVE-2026-69546High
Use after free in Active Directory Domain Services allows an unauthorized attacker to execute code over a network.
- CVE-2026-69524High
Use-after-free vulnerability in Active Directory Domain Services allows an unauthorized attacker to execute code over a network.
- CVE-2026-69359High
Heap-based buffer overflow in Active Directory Domain Services allows an authorized attacker to elevate privileges locally.
- CVE-2026-62813High
Use after free in Active Directory Domain Services allows an authorized attacker to execute code over a network.
- CVE-2026-62762Medium
Null pointer dereference in Active Directory Domain Services allows an authorized attacker to deny service over a network.
- CVE-2026-50366Medium
A null pointer dereference in Active Directory Domain Services allows an authorized attacker to cause a denial of service over the network.
- CVE-2026-57976Medium
A null pointer dereference in Active Directory Domain Services allows an authorized attacker to cause a denial of service over the network.
Original NVD description (English source)
Missing release of memory after effective lifetime in Active Directory Domain Services allows an unauthorized attacker to deny service over a network.