Windows Kernel-Mode Drivers
CVE-2022-21993 — Windows Services for NFS ONCRPC XDR Driver Information Disclosure Vulnerability
Executive Summary
None
Overview
7.5
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
None
AVAILABILITY
None
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.5
EPSS Score
0.43618
probability of exploitation in the next 30 days
0.98572 percentile - updated 2026-06-21
View on FIRST.org
Affected Products
27 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Windows 10 for 32-bit Systems | 5010358 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 for x64-based Systems | 5010358 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 1607 for 32-bit Systems | 5010359 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 1607 for x64-based Systems | 5010359 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 1809 for 32-bit Systems | 5010351 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 1809 for ARM64-based Systems | 5010351 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 1809 for x64-based Systems | 5010351 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 1909 for 32-bit Systems | 5010345 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 1909 for ARM64-based Systems | 5010345 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 1909 for x64-based Systems | 5010345 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 20H2 for 32-bit Systems | 5010342 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 20H2 for ARM64-based Systems | 5010342 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 20H2 for x64-based Systems | 5010342 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 21H1 for 32-bit Systems | 5010342 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 21H1 for ARM64-based Systems | 5010342 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 21H1 for x64-based Systems | 5010342 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 21H2 for 32-bit Systems | 5010342 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 21H2 for ARM64-based Systems | 5010342 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 10 Version 21H2 for x64-based Systems | 5010342 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 11 version 21H2 for ARM64-based Systems | 5010386 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 11 version 21H2 for x64-based Systems | 5010386 (Security Update) |
Important | Information Disclosure | Yes |
| Windows 8.1 for 32-bit systems 5010419 (Monthly Rollup) 5010395 (Security Only) Important Information Disclosure 5009624 Base: 7.5 Temporal: 6.5 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C 6.3.9600.20269 Yes 5010419 5010395 Windows 8.1 for x64-based systems 5010419 (Monthly Rollup) 5010395 (Security Only) Important Information Disclosure 5009624 Base: 7.5 Temporal: 6.5 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C 6.3.9600.20269 Yes 5010419 5010395 Windows RT 8.1 | 5010419 (Monthly Rollup) |
Important | Information Disclosure | Yes |
| Windows Server 2012 5010392 (Monthly Rollup) 5010412 (Security Only) Important Information Disclosure 5009586 Base: 7.5 Temporal: 6.5 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C 6.2.9200.23605 Yes 5010392 5010412 Windows Server 2012 (Server Core installation) 5010392 (Monthly Rollup) 5010412 (Security Only) Important Information Disclosure 5009586 Base: 7.5 Temporal: 6.5 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C 6.2.9200.23605 Yes 5010392 5010412 Windows Server 2012 R2 5010419 (Monthly Rollup) 5010395 (Security Only) Important Information Disclosure 5009624 Base: 7.5 Temporal: 6.5 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C 6.3.9600.20269 Yes 5010419 5010395 Windows Server 2012 R2 (Server Core installation) 5010419 (Monthly Rollup) 5010395 (Security Only) Important Information Disclosure 5009624 Base: 7.5 Temporal: 6.5 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C 6.3.9600.20269 Yes 5010419 5010395 Windows Server 2016 | 5010359 (Security Update) |
Important | Information Disclosure | Yes |
| Windows Server 2016 (Server Core installation) | 5010359 (Security Update) |
Important | Information Disclosure | Yes |
| Windows Server 2019 | 5010351 (Security Update) |
Important | Information Disclosure | Yes |
| Windows Server 2019 (Server Core installation) | 5010351 (Security Update) |
Important | Information Disclosure | Yes |
| Windows Server 2022 5010354 (Security Update) 5010456 (Security Hotpatch Update) Important Information Disclosure 5009555 Base: 7.5 Temporal: 6.5 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C 10.0.20348.524 10.0.20348.525 Yes 5010354 Windows Server 2022 (Server Core installation) 5010354 (Security Update) 5010456 (Security Hotpatch Update) Important Information Disclosure 5009555 Base: 7.5 Temporal: 6.5 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C 10.0.20348.524 10.0.20348.525 Yes 5010354 Windows Server, version 20H2 (Server Core Installation) | 5010342 (Security Update) |
Important | Information Disclosure | Yes |
Patches
7 patches
| Article | Type | Restart |
|---|---|---|
5010358 |
Security Update | Yes |
5010359 |
Security Update | Yes |
5010351 |
Security Update | Yes |
5010345 |
Security Update | Yes |
5010342 |
Security Update | Yes |
5010386 |
Security Update | Yes |
5010419 |
Monthly Rollup | 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
yyjb with http://blog.noah.360.net/
References
On This Page