CVE-2023-21769: Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
Modified
Published 11-04-2023Last modified 28-02-2025
Vulnerability summary
CVE-2023-21769 is a high (CVSS 7.5) Out-of-bounds Read vulnerability in microsoft windows_10_1607. EPSS estimates a 88.67% chance of exploitation in the next 30 days, higher than 99.7% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
88.67%
0%100%
Critical · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 11-04-2023PublishedVulnerability first disclosed.
- 28-02-2025Last modifiedVulnerability information updated.
Description
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
88.67%
Chance of exploitation in the next 30 days
Percentile
100%
Versus all other CVEs
30-day change
No change 0.00 pp
From 88.67% on 23-09-2026
23-09-202623-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft30 products
- windows_10_1607< 10.0.14393.5850
- windows_10_1809< 10.0.17763.4252
- windows_10_20h2< 10.0.19042.2846
- windows_10_21h2< 10.0.19044.2846
- windows_10_22h2< 10.0.19045.2846
1 vendor · 30 products