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Windows Remote Procedure Call Runtime

CVE-2023-29369 — Remote Procedure Call Runtime Denial of Service Vulnerability

Important CVSS 6.5 EPSS 0.01985 2023-06 archive

Executive Summary

None

Overview

6.5
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Denial of Service
Released Jun 13 2023
Last Updated Jun 13 2023
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.01985 — 0.78001 percentile
NVD CVSS 6.5 MEDIUM — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
None
INTEGRITY
None
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 5.7

EPSS Score

0.01985
probability of exploitation in the next 30 days
0.78001 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

4 affected products
Product KB Article Severity Impact Restart Required
Windows Server 2012 5027283 (Monthly Rollup) 5027281 (Security Only) Important Denial of Service 5026419 Base: 6.5 Temporal: 5.7 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C 6.2.9200.24314 Yes None Windows Server 2012 (Server Core installation) 5027283 (Monthly Rollup) 5027281 (Security Only) Important Denial of Service 5026419 Base: 6.5 Temporal: 5.7 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C 6.2.9200.24314 Yes None Windows Server 2012 R2 5027271 (Monthly Rollup) 5027282 (Security Only) Important Denial of Service 5026415 Base: 6.5 Temporal: 5.7 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C 6.3.9600.21013 Yes None Windows Server 2012 R2 (Server Core installation) 5027271 (Monthly Rollup) 5027282 (Security Only) Important Denial of Service 5026415 Base: 6.5 Temporal: 5.7 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C 6.3.9600.21013 Yes None Windows Server 2016 5027219 (Security Update) Important Denial of Service Yes
Windows Server 2016 (Server Core installation) 5027219 (Security Update) Important Denial of Service Yes
Windows Server 2019 5027222 (Security Update) Important Denial of Service Yes
Windows Server 2019 (Server Core installation) 5027222 (Security Update) Important Denial of Service Yes

Patches

2 patches
Article Type Restart
5027219 Security Update Yes
5027222 Security Update Yes

Known Exploits

Acknowledgments

Cyber KunLun

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