CVE-2023-21727: microsoft windows_10_1607 Heap-based Buffer Overflow
CVSS: 8.8v3.1HighModified
Published 11-04-2023Last modified 23-01-2025
Vulnerability summary
CVE-2023-21727 is a high (CVSS 8.8) Heap-based Buffer Overflow vulnerability in microsoft windows_10_1607. EPSS estimates a 1.64% chance of exploitation in the next 30 days, higher than 76.1% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
1.64%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-04-2023PublishedVulnerability first disclosed.
- 23-01-2025Last modifiedVulnerability information updated.
Description
Remote Procedure Call Runtime Remote Code Execution Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.64%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
0.00 pp
From 1.64% on 21-09-2026
21-09-202621-10-2026
EPSS score1.64%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
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