Windows Server 2022 vulnerabilities: known CVEs & security history
Microsoft · Operating System · 2000 tracked CVEs · 85 actively exploited · updated June 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Windows Server 2022 release lines — 2000 in total, with 85 actively exploited in the wild. A CVE here doesn't mean your version is affected — check Windows Server 2022's current status and the safe version to run.
Known Windows Server 2022 CVEs
Actively-exploited and most-severe first. Showing the top 80 of 2000. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2024-49039⚡ exploited | high | 8.8 | 14% | 2024 |
| CVE-2024-43461⚡ exploited | high | 8.8 | 52% | 2024 |
| CVE-2024-30040⚡ exploited | high | 8.8 | 4% | 2024 |
| CVE-2024-29988⚡ exploited | high | 8.8 | 45% | 2024 |
| CVE-2023-36025⚡ exploited | high | 8.8 | 88% | 2023 |
| CVE-2023-32049⚡ exploited | high | 8.8 | 4% | 2023 |
| CVE-2023-21674⚡ exploited | high | 8.8 | 42% | 2023 |
| CVE-2022-41128⚡ exploited | high | 8.8 | 25% | 2022 |
| CVE-2022-26923⚡ exploited | high | 8.8 | 83% | 2022 |
| CVE-2021-40444⚡ exploited | high | 8.8 | 97% | 2021 |
| CVE-2021-34527⚡ exploited | high | 8.8 | 100% | 2021 |
| CVE-2023-29360⚡ exploited | high | 8.4 | 22% | 2023 |
| CVE-2024-21412⚡ exploited | high | 8.1 | 95% | 2024 |
| CVE-2022-26925⚡ exploited | high | 8.1 | 10% | 2022 |
| CVE-2025-29824⚡ exploited | high | 7.8 | 18% | 2025 |
| CVE-2025-24993⚡ exploited | high | 7.8 | 2% | 2025 |
| CVE-2025-24985⚡ exploited | high | 7.8 | 4% | 2025 |
| CVE-2025-21418⚡ exploited | high | 7.8 | 1% | 2025 |
| CVE-2024-49138⚡ exploited | high | 7.8 | 25% | 2024 |
| CVE-2024-43572⚡ exploited | high | 7.8 | 61% | 2024 |
| CVE-2024-38014⚡ exploited | high | 7.8 | 6% | 2024 |
| CVE-2024-38193⚡ exploited | high | 7.8 | 28% | 2024 |
| CVE-2024-38107⚡ exploited | high | 7.8 | 2% | 2024 |
| CVE-2024-38080⚡ exploited | high | 7.8 | 7% | 2024 |
| CVE-2024-35250⚡ exploited | high | 7.8 | 25% | 2024 |
| CVE-2024-30051⚡ exploited | high | 7.8 | 6% | 2024 |
| CVE-2024-26169⚡ exploited | high | 7.8 | 4% | 2024 |
| CVE-2024-21338⚡ exploited | high | 7.8 | 52% | 2024 |
| CVE-2023-36424⚡ exploited | high | 7.8 | 12% | 2023 |
| CVE-2023-36036⚡ exploited | high | 7.8 | 16% | 2023 |
| CVE-2023-36033⚡ exploited | high | 7.8 | 12% | 2023 |
| CVE-2023-36802⚡ exploited | high | 7.8 | 26% | 2023 |
| CVE-2023-36874⚡ exploited | high | 7.8 | 32% | 2023 |
| CVE-2023-32046⚡ exploited | high | 7.8 | 9% | 2023 |
| CVE-2023-28252⚡ exploited | high | 7.8 | 49% | 2023 |
| CVE-2023-21823⚡ exploited | high | 7.8 | 6% | 2023 |
| CVE-2023-23376⚡ exploited | high | 7.8 | 11% | 2023 |
| CVE-2022-41125⚡ exploited | high | 7.8 | 3% | 2022 |
| CVE-2022-41073⚡ exploited | high | 7.8 | 2% | 2022 |
| CVE-2022-41033⚡ exploited | high | 7.8 | 2% | 2022 |
| CVE-2022-38028⚡ exploited | high | 7.8 | 15% | 2022 |
| CVE-2022-37969⚡ exploited | high | 7.8 | 28% | 2022 |
| CVE-2022-34713⚡ exploited | high | 7.8 | 68% | 2022 |
| CVE-2022-22047⚡ exploited | high | 7.8 | 19% | 2022 |
| CVE-2022-30190⚡ exploited | high | 7.8 | 99% | 2022 |
| CVE-2022-24521⚡ exploited | high | 7.8 | 7% | 2022 |
| CVE-2022-22718⚡ exploited | high | 7.8 | 18% | 2022 |
| CVE-2022-21999⚡ exploited | high | 7.8 | 42% | 2022 |
| CVE-2022-21971⚡ exploited | high | 7.8 | 54% | 2022 |
| CVE-2021-43226⚡ exploited | high | 7.8 | 3% | 2021 |
| CVE-2021-41357⚡ exploited | high | 7.8 | 2% | 2021 |
| CVE-2021-40450⚡ exploited | high | 7.8 | 2% | 2021 |
| CVE-2021-40449⚡ exploited | high | 7.8 | 74% | 2021 |
| CVE-2021-36955⚡ exploited | high | 7.8 | 3% | 2021 |
| CVE-2024-21351⚡ exploited | high | 7.6 | 30% | 2024 |
| CVE-2024-38178⚡ exploited | high | 7.5 | 39% | 2024 |
| CVE-2024-38112⚡ exploited | high | 7.5 | 84% | 2024 |
| CVE-2024-29059⚡ exploited | high | 7.5 | 99% | 2024 |
| CVE-2023-44487⚡ exploited | high | 7.5 | 100% | 2023 |
| CVE-2023-36884⚡ exploited | high | 7.5 | 99% | 2023 |
| CVE-2021-42287⚡ exploited | high | 7.5 | 74% | 2021 |
| CVE-2021-42278⚡ exploited | high | 7.5 | 70% | 2021 |
| CVE-2025-21391⚡ exploited | high | 7.1 | 2% | 2025 |
| CVE-2025-26633⚡ exploited | high | 7 | 32% | 2025 |
| CVE-2024-38106⚡ exploited | high | 7 | 6% | 2024 |
| CVE-2024-30088⚡ exploited | high | 7 | 68% | 2024 |
| CVE-2023-28229⚡ exploited | high | 7 | 2% | 2023 |
| CVE-2022-26904⚡ exploited | high | 7 | 10% | 2022 |
| CVE-2022-21919⚡ exploited | high | 7 | 3% | 2022 |
| CVE-2022-21882⚡ exploited | high | 7 | 56% | 2022 |
| CVE-2025-24054⚡ exploited | medium | 6.5 | 59% | 2025 |
| CVE-2024-43451⚡ exploited | medium | 6.5 | 82% | 2024 |
| CVE-2024-43573⚡ exploited | medium | 6.5 | 44% | 2024 |
| CVE-2024-38213⚡ exploited | medium | 6.5 | 13% | 2024 |
| CVE-2023-36563⚡ exploited | medium | 6.5 | 21% | 2023 |
| CVE-2025-24991⚡ exploited | medium | 5.5 | 2% | 2025 |
| CVE-2021-41379⚡ exploited | medium | 5.5 | 20% | 2021 |
| CVE-2013-3900⚡ exploited | medium | 5.5 | 45% | 2013 |
| CVE-2024-38217⚡ exploited | medium | 5.4 | 10% | 2024 |
| CVE-2023-36584⚡ exploited | medium | 5.4 | 3% | 2023 |
1920 older / lower-severity CVEs not shown — see Windows Server 2022's full record.
Is my Windows Server 2022 version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your Windows Server 2022 version → · Monitor Windows Server 2022 for new CVEs →
Windows Server 2022 vulnerabilities — frequently asked
How many known vulnerabilities does Windows Server 2022 have?
IsItPatched tracks 2000 CVEs for Windows Server 2022, 85 of which are actively exploited (CISA KEV). 54 are critical-severity and 1421 high-severity. These span every release line — what matters is whether the version you run is affected.
Does Windows Server 2022 have any actively-exploited vulnerabilities?
Yes — 85 Windows Server 2022 CVEs are in CISA's Known Exploited Vulnerabilities catalog, meaning they are confirmed exploited in the wild (25 linked to ransomware). Patch these as a priority.
What is the most severe Windows Server 2022 vulnerability?
Among tracked issues, CVE-2024-49039 (HIGH, CVSS 8.8), which is actively exploited, ranks highest — a Improper authentication weakness.
Is Windows Server 2022 safe to use?
It depends on the version. The latest supported Windows Server 2022 release (10.0.26100) clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: Windows Server 2022 security status · Windows Server 2022 end-of-life · actively-exploited CVEs. Always verify against Microsoft's advisories — see our disclaimer.