OnlyFm252
Windows Network File System

CVE-2023-28247 — Windows Network File System Information Disclosure Vulnerability

Important CVSS 7.5 EPSS 0.0159 2023-04 archive

Executive Summary

None

Overview

7.5
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Information Disclosure
Released Apr 11 2023
Last Updated Apr 11 2023
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.0159 — 0.72476 percentile
NVD CVSS 7.5 HIGH — matches MSRC

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

0.0159
probability of exploitation in the next 30 days
0.72476 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

6 affected products
Product KB Article Severity Impact Restart Required
Windows Server 2012 5025287 (Monthly Rollup) 5025272 (Security Only) Important Information Disclosure 5023769 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 6.2.9200.24216 Yes None Windows Server 2012 (Server Core installation) 5025287 (Monthly Rollup) 5025272 (Security Only) Important Information Disclosure 5023769 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 6.2.9200.24216 Yes None Windows Server 2012 R2 5025285 (Monthly Rollup) 5025288 (Security Only) Important Information Disclosure 5023765 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 6.3.9600.20919 Yes None Windows Server 2012 R2 (Server Core installation) 5025285 (Monthly Rollup) 5025288 (Security Only) Important Information Disclosure 5023765 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 6.3.9600.20919 Yes None Windows Server 2016 5025228 (Security Update) Important Information Disclosure Yes
Windows Server 2016 (Server Core installation) 5025228 (Security Update) Important Information Disclosure Yes
Windows Server 2019 5025229 (Security Update) Important Information Disclosure Yes
Windows Server 2019 (Server Core installation) 5025229 (Security Update) Important Information Disclosure Yes
Windows Server 2022 5025230 (Security Update) Important Information Disclosure Yes
Windows Server 2022 (Server Core installation) 5025230 (Security Update) Important Information Disclosure Yes

Patches

3 patches
Article Type Restart
5025228 Security Update Yes
5025229 Security Update Yes
5025230 Security Update Yes

Known Exploits

Acknowledgments

Cyber KunLun

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