Role: DNS Server
CVE-2021-24078 — Windows DNS Server Remote Code Execution Vulnerability
Executive Summary
None
Overview
9.8
CVSS CRITICAL
Critical
MS Severity
Not Exploited
MS Exploit Status
More Likely
MS Exploit Likelihood
CVSS Vector
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
Temporal Score: 8.5
EPSS Score
0.11155
probability of exploitation in the next 30 days
0.95382 percentile - updated 2026-06-20
View on FIRST.org
Affected Products
17 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Windows Server 2008 for 32-bit Systems Service Pack 2 | 4601360 (Monthly Rollup) 4601366 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | 4601360 (Monthly Rollup) 4601366 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2008 for x64-based Systems Service Pack 2 | 4601360 (Monthly Rollup) 4601366 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | 4601360 (Monthly Rollup) 4601366 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | 4601347 (Monthly Rollup) 4601363 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | 4601347 (Monthly Rollup) 4601363 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2012 | 4601348 (Monthly Rollup) 4601357 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2012 (Server Core installation) | 4601348 (Monthly Rollup) 4601357 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2012 R2 | 4601384 (Monthly Rollup) 4601349 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2012 R2 (Server Core installation) | 4601384 (Monthly Rollup) 4601349 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2016 | 4601318 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows Server 2016 (Server Core installation) | 4601318 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows Server 2019 | 4601345 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows Server 2019 (Server Core installation) | 4601345 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows Server, version 1909 (Server Core installation) | 4601315 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows Server, version 2004 (Server Core installation) | 4601319 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows Server, version 20H2 (Server Core Installation) | 4601319 (Security Update) |
Critical | Remote Code Execution | Yes |
Patches
8 patches
| Article | Type | Restart |
|---|---|---|
4601360 (Monthly Rollup) 4601366 |
Monthly Rollup | Yes |
4601347 (Monthly Rollup) 4601363 |
Monthly Rollup | Yes |
4601348 (Monthly Rollup) 4601357 |
Monthly Rollup | Yes |
4601384 (Monthly Rollup) 4601349 |
Monthly Rollup | Yes |
4601318 |
Security Update | Yes |
4601345 |
Security Update | Yes |
4601315 |
Security Update | Yes |
4601319 |
Security Update | Yes |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
Quan Luo from Codesafe Team of Legendsec at Qi'anxin Group
References
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