CVE-2026-34339
published 2026-05-12CVE-2026-34339: Null pointer dereference in Windows LDAP - Lightweight Directory Access Protocol allows an authorized attacker to deny service locally.
medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
Null pointer dereference in Windows LDAP - Lightweight Directory Access Protocol allows an authorized attacker to deny service locally.
Affected
25 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10_1607 | < 10.0.14393.9140 | 10.0.14393.9140 |
| microsoft | windows_10_1809 | < 10.0.17763.8755 | 10.0.17763.8755 |
| microsoft | windows_10_21h2 | < 10.0.19044.7291 | 10.0.19044.7291 |
| microsoft | windows_10_22h2 | < 10.0.19045.7291 | 10.0.19045.7291 |
| microsoft | windows_10_version_1607 | >= 10.0.14393.0 < 10.0.14393.9140 | 10.0.14393.9140 |
| microsoft | windows_10_version_1809 | >= 10.0.17763.0 < 10.0.17763.8755 | 10.0.17763.8755 |
| microsoft | windows_10_version_21h2 | >= 10.0.19044.0 < 10.0.19044.7291 | 10.0.19044.7291 |
| microsoft | windows_10_version_22h2 | >= 10.0.19045.0 < 10.0.19045.7291 | 10.0.19045.7291 |
| microsoft | windows_11_23h2 | < 10.0.22631.7079 | 10.0.22631.7079 |
| microsoft | windows_11_24h2 | < 10.0.26100.8390 | 10.0.26100.8390 |
| microsoft | windows_11_25h2 | < 10.0.26200.8390 | 10.0.26200.8390 |
| microsoft | windows_11_26h1 | < 10.0.28000.2113 | 10.0.28000.2113 |
| microsoft | windows_11_version_23h2 | >= 10.0.22631.0 < 10.0.22631.7079 | 10.0.22631.7079 |
| microsoft | windows_11_version_24h2 | >= 10.0.26100.0 < 10.0.26100.8457 | 10.0.26100.8457 |
| microsoft | windows_11_version_25h2 | >= 10.0.26200.0 < 10.0.26200.8457 | 10.0.26200.8457 |
| microsoft | windows_11_version_26h1 | >= 10.0.28000.0 < 10.0.28000.2113 | 10.0.28000.2113 |
| microsoft | windows_server_2016 | < 10.0.14393.9140 | 10.0.14393.9140 |
| microsoft | windows_server_2016 | >= 10.0.14393.0 < 10.0.14393.9140 | 10.0.14393.9140 |
| microsoft | windows_server_2019 | < 10.0.17763.8755 | 10.0.17763.8755 |
| microsoft | windows_server_2019 | >= 10.0.17763.0 < 10.0.17763.8755 | 10.0.17763.8755 |
| microsoft | windows_server_2022 | < 10.0.20348.5074 | 10.0.20348.5074 |
| microsoft | windows_server_2022 | >= 10.0.20348.0 < 10.0.20348.5139 | 10.0.20348.5139 |
| microsoft | windows_server_2022_23h2 | < 10.0.25398.2330 | 10.0.25398.2330 |
| microsoft | windows_server_2025 | < 10.0.26100.32772 | 10.0.26100.32772 |
| microsoft | windows_server_2025 | >= 10.0.26100.0 < 10.0.26100.32860 | 10.0.26100.32860 |