CVE-2023-21536: microsoft windows_10_1809 Out-of-bounds Read
CVSS: 4.7v3.1MediumModified
Published 10-01-2023Last modified 01-01-2025
Vulnerability summary
CVE-2023-21536 is a medium (CVSS 4.7) Out-of-bounds Read vulnerability in microsoft windows_10_1809. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 33.8% of scored vulnerabilities.
CVSS score
4.7/10
010
Medium · v3.1 (CVE.org)EPSS score
0.41%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 10-01-2023PublishedVulnerability first disclosed.
- 01-01-2025Last modifiedVulnerability information updated.
Description
Event Tracing for Windows Information Disclosure Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionMedium 4.7Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST4.7MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.41%
Chance of exploitation in the next 30 days
Percentile
34%
Versus all other CVEs
30-day change
+0.01 pp
From 0.40% on 21-09-2026
21-09-202621-10-2026
EPSS score0.41%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.
- CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
- CWE-668Exposure of Resource to Wrong SphereThe product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.
Affected systems
Microsoft15 products
- windows_10_1809na
- windows_10_20h2na
- windows_10_21h2na
- windows_10_22h2na
- windows 10 version 1809≥ 10.0.17763.0, < 10.0.17763.3887 | ≥ 10.0.0, < 10.0.17763.3887
1 vendor · 15 products
References
1 links
msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21536Vendor Advisory