Exploitation evidence
Known exploited · CISA KEV listed
Added 2024-02-13. Ransomware campaign use: Unknown.
CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date: 2024-03-05. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
Microsoft / Windows 10 Version 1507
Default status: Not specified
- affected: 10.0.10240.0 to < 10.0.10240.20469 (custom)
Microsoft / Windows 10 Version 1607
Default status: Not specified
- affected: 10.0.14393.0 to < 10.0.14393.6709 (custom)
Microsoft / Windows 10 Version 1809
Default status: Not specified
- affected: 10.0.17763.0 to < 10.0.17763.5458 (custom)
Microsoft / Windows 10 Version 1809
Default status: Not specified
- affected: 10.0.0 to < 10.0.17763.5458 (custom)
Microsoft / Windows 10 Version 21H2
Default status: Not specified
- affected: 10.0.19043.0 to < 10.0.19044.4046 (custom)
Microsoft / Windows 10 Version 22H2
Default status: Not specified
- affected: 10.0.19045.0 to < 10.0.19045.4046 (custom)
Microsoft / Windows 11 version 21H2
Default status: Not specified
- affected: 10.0.0 to < 10.0.22000.2777 (custom)
Microsoft / Windows 11 version 22H2
Default status: Not specified
- affected: 10.0.22621.0 to < 10.0.22621.3155 (custom)
Microsoft / Windows 11 version 22H3
Default status: Not specified
- affected: 10.0.22631.0 to < 10.0.22631.3155 (custom)
Microsoft / Windows 11 Version 23H2
Default status: Not specified
- affected: 10.0.22631.0 to < 10.0.22631.3155 (custom)
Microsoft / Windows Server 2016
Default status: Not specified
- affected: 10.0.14393.0 to < 10.0.14393.6709 (custom)
Microsoft / Windows Server 2019
Default status: Not specified
- affected: 10.0.17763.0 to < 10.0.17763.5458 (custom)
Microsoft / Windows Server 2022
Default status: Not specified
- affected: 10.0.20348.0 to < 10.0.20348.2322 (custom)
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.27798,
"percentile": 0.98118
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.27798,
"percentile": 0.98107
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.27798,
"percentile": 0.98104
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.27798,
"percentile": 0.98104
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.27798,
"percentile": 0.98103
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.27798,
"percentile": 0.98101
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.27798,
"percentile": 0.981
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.27798,
"percentile": 0.98099
}04 Nov 2026, 12:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"metrics": [
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{
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"status": "affected",
"version": "10.0.20348.0",
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},
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}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.27798,
"percentile": 0.98095
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.27798,
"percentile": 0.98093
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2024-21351",
"cwes": [
"CWE-94"
],
"dateAdded": "2024-02-13",
"dueDate": "2024-03-05",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2024-21351; https://nvd.nist.gov/vuln/detail/CVE-2024-21351",
"product": "Windows",
"requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
"shortDescription": "Microsoft Windows SmartScreen contains a security feature bypass vulnerability that allows an attacker to bypass the SmartScreen user experience and inject code to potentially gain code execution, which could lead to some data exposure, lack of system availability, or both.",
"vendorProject": "Microsoft",
"vulnerabilityName": "Microsoft Windows SmartScreen Security Feature Bypass Vulnerability"
}