Product Detail

WINDOWS 10 21H2

Vendor :

Microsoft

Number of CVE:

2643

Average Exploit Prediction Score :

6.24

Public Exploit/PoC Code :

2515

CISA Actively Exploited :

99

Last Vulnerability Seen :

Jun. 09, 2026
Vulnerabilities

The following vulnerabilities are recorded WINDOWS 10 21H2 product. You can click on the vulnerability to view more details.

Number Published CVE ID Severity CVSS Score
1 Feb 10, 2026 CVE-2026-21508 HIGH
7.0
2 Feb 10, 2026 CVE-2026-21255 HIGH
8.8
3 Feb 10, 2026 CVE-2026-21253 HIGH
7.0
4 Feb 10, 2026 CVE-2026-21249 LOW
3.3
5 Feb 10, 2026 CVE-2026-21248 HIGH
7.3
6 Feb 10, 2026 CVE-2026-21247 HIGH
7.3
7 Feb 10, 2026 CVE-2026-21246 HIGH
7.8
8 Feb 10, 2026 CVE-2026-21244 HIGH
7.3
9 Feb 10, 2026 CVE-2026-21242 HIGH
7.0
10 Feb 10, 2026 CVE-2026-21240 HIGH
7.8
11 Feb 10, 2026 CVE-2026-21239 HIGH
7.8
12 Feb 10, 2026 CVE-2026-21238 HIGH
7.8
13 Feb 10, 2026 CVE-2026-21237 HIGH
7.0
14 Feb 10, 2026 CVE-2026-21236 HIGH
7.8
15 Feb 10, 2026 CVE-2026-21235 HIGH
7.3
16 Feb 10, 2026 CVE-2026-21234 HIGH
7.0
17 Feb 10, 2026 CVE-2026-21231 HIGH
7.8
18 Feb 10, 2026 CVE-2026-21222 MEDIUM
5.5
19 Feb 10, 2026 CVE-2026-20846 HIGH
7.5
20 Jan 13, 2026 CVE-2026-21265 MEDIUM
6.4
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