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Vulnerabilities/CVE-2023-24880Public Intelligence Dossier
Source: microsoft · Limited verification•Last verified: •Collection Degraded
CVE-2023-24880ListedMEDIUM (raw)CVSS 4.4CWE-863

Windows SmartScreen Security Feature Bypass Vulnerability

Published: 14 Mar 2023•Last updated: 17 Jun 2026, 11:10 AM IST•Source identifier: secure@microsoft.com
Dossier completeness: source-provided sections 3 / 3 · rule guidance available. Missing source facts count as incomplete.
Official source
CISA KEV catalog
Listed
Added14 Mar 2023
Due04 Apr 2023
RansomwareKnown
CVSS score
4.4MEDIUM (raw)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Metric sourcesecure@microsoft.com
EPSS probability
78%0.780
Percentile100th
Weakness type
CWE-863
No further CWE recorded
Remediation
Patch status unknown
No fixed version or KB recorded

Why It Matters

Analysis dossier

Why It Matters

Windows SmartScreen Security Feature Bypass Vulnerability

SOC priority

Immediate Attention

Actively exploited (source statement)

Yes

Publicly disclosed

Unknown

Risk basis: CISA KEV exploitation signal; Microsoft or Microsoft-managed product relevance; Source-confirmed exploitation or CISA KEV/ransomware metadata

Affected Products & Remediation

10 source-backed products
Affected products and versions (source)
  • microsoft windows 10 1607 · < 10.0.14393.5786 · NVD CPE · Source
  • microsoft windows 10 1809 · < 10.0.17763.4131 · NVD CPE · Source
  • microsoft windows 10 20h2 · < 10.0.19042.2728 · NVD CPE · Source
  • microsoft windows 10 21h2 · < 10.0.19044.2728 · NVD CPE · Source
  • microsoft windows 10 22h2 · < 10.0.19045.2728 · NVD CPE · Source
  • microsoft windows 11 21h2 · < 10.0.22000.1696 · NVD CPE · Source
  • microsoft windows 11 22h2 · < 10.0.22000.1413 · NVD CPE · Source
  • microsoft windows server 2016 · < 10.0.14393.5786 · NVD CPE · Source
  • microsoft windows server 2019 · < 10.0.17763.4131 · NVD CPE · Source
  • microsoft windows server 2022 · < 10.0.20348.1602 · NVD CPE · Source
Recorded patch / KBNot provided by source

Vendor or catalog guidance (source)

  • CISA KEV: Apply updates per vendor instructions.

Known exploitation (source facts)

Only what a source states. Unknown means no source has said either way; it is not "not exploited".

CISA KEV
Listed
Exploited (source statement)
Yes
Publicly disclosed (source)
Unknown

CISA required action: Apply updates per vendor instructions.

Suggested hunting (rule-based inference)

SecOps Signal recommendation (rule-based inference). These steps are hunting hypotheses from the vulnerability class; they do not state or imply that exploitation occurred here or anywhere.

Matched microsoft-enterprise (Affected product: microsoft windows 10 1607, Vendor: microsoft); authorization-bypass (CWE-863)

Exposure

  1. Identify affected Microsoft products and compare local builds with the MSRC advisory.Telemetry: DeviceTvmSoftwareVulnerabilities · The MSRC product/build mapping establishes applicability. · Rule microsoft-enterprise
  2. Locate affected authorization controls and verify deployed versions.Telemetry: Application inventory · The source must identify the affected control. · Rule authorization-bypass

Exploitation evidence

  1. Review the advisory's documented behavior on matching hosts before selecting a hunt.Telemetry: DeviceProcessEvents · Product family alone does not justify a CVE-specific detection. · Rule microsoft-enterprise
Show more (2)

Exploitation evidence

  1. Review privileged operations performed by unexpected users on affected deployments.Telemetry: Application audit logs · Authorization anomalies can support a targeted hunt. · Rule authorization-bypass

Response

  1. Confirm the source-stated KB or mitigation on matching assets.Telemetry: DeviceTvmSoftwareVulnerabilities · A post-update inventory check verifies remediation. · Rule microsoft-enterprise

CISA KEV Record

Catalog entry
14 Mar 2023
Required action due
04 Apr 2023
Known ransomware use
Known

Apply updates per vendor instructions.

Change History & Source Data

— No recorded material change

CNA / source
secure@microsoft.com
Record status · verification
UPDATED · Microsoft primary source linked; CISA KEV confirmed
CPE
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*, cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*, cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*, cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*, cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*, cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*, cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*, cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*, cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*, cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*

Evidence & Provenance

4 public sources
CISA KEV CatalogAdded 2023-03-14msrc.microsoft.comSource recordnvd.nist.govSource recordcisa.govSource record

Linked by the query's stored exact CVE association. Review required tables and validation status before use.

Detection Hunting Query
Target: DeviceTvmSoftwareVulnerabilities•Defender XDR
Detect endpoints exposed to CVE-2023-24880
Purpose: Exposure assessment (Category: Exposure Check)Why linked: Query metadata names CVE-2023-24880
DeviceTvmSoftwareVulnerabilities| where CveId == "CVE-2023-24880"| project DeviceId, DeviceName, OSPlatform, OSVersion, SoftwareVendor, SoftwareName, SoftwareVersion, CveId, VulnerabilitySeverityLevel, RecommendedSecurityUpdate, RecommendedSecurityUpdateId| sort by VulnerabilitySeverityLevel desc
Schema Checked · Not runtime validatedSource: SecOps Signal deterministic template · Limited verificationStatic screening: Passed structure and schema checks; tenant execution is not verified.
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Correlated briefings

SecOps Signal surfaces public advisory facts only. A missing value means the source has not published it, not that your environment is unaffected. No tenant inventory is connected.