Exploitation evidence
Known exploited · CISA KEV listed
Added 2024-02-15. 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: 2024-03-07. 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 / Microsoft Exchange Server 2016 Cumulative Update 23
Default status: Not specified
- affected: 15.01.0 to < 15.01.2507.037 (custom)
Microsoft / Microsoft Exchange Server 2019 Cumulative Update 13
Default status: Not specified
- affected: 15.02.0 to < 15.2.1544.004 (custom)
Microsoft / Microsoft Exchange Server 2019 Cumulative Update 14
Default status: Not specified
- affected: 15.02.0 to < 15.2.1544.004 (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": 0.12661,
"percentile": 0.96311
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.12661,
"percentile": 0.96287
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.12661,
"percentile": 0.96283
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.12661,
"percentile": 0.96281
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.12661,
"percentile": 0.96278
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.12661,
"percentile": 0.96273
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.12661,
"percentile": 0.96269
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.12661,
"percentile": 0.96266
}04 Nov 2026, 12:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-21410",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-02-15T05:15:55.675675Z",
"version": "2.0.3"
},
"type": "ssvc"
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},
{
"other": {
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"title": "CISA ADP Vulnrichment"
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],
"cna": {
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},
{
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{
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"cpeApplicability": [
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"metrics": [
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C",
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},
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],
"problemTypes": [
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],
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"datePublished": "2024-02-13T18:02:48.590Z",
"dateReserved": "2023-12-08T22:45:21.299Z",
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"state": "PUBLISHED"
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}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.12661,
"percentile": 0.96259
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.12661,
"percentile": 0.96254
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2024-21410",
"cwes": [
"CWE-287"
],
"dateAdded": "2024-02-15",
"dueDate": "2024-03-07",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21410; https://nvd.nist.gov/vuln/detail/CVE-2024-21410",
"product": "Exchange Server",
"requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
"shortDescription": "Microsoft Exchange Server contains an unspecified vulnerability that allows for privilege escalation.",
"vendorProject": "Microsoft",
"vulnerabilityName": "Microsoft Exchange Server Privilege Escalation Vulnerability"
}