CVE-2023-24880

CRITICALNVD 4.49.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2023-03-14), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 4.4 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 78%CVSS: 4.4Exploit: cisa kev · ssvc active · kev ransomware · epss top5pct · epss highExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Windows SmartScreen Security Feature Bypass Vulnerability

CVSS v3
4.4
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
78%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

March 14, 2023

Last Modified

October 27, 2025

Advisory Details (2)

Auto-updated Jun 15, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: microsoft, cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-24880
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24880

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 82× in last 7d / 363× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 1,197 total refreshes for this CVE.

  1. 2026-09-08 21:29 UTCGHSA enrichment
  2. 2026-09-08 18:54 UTCCISA KEV update
  3. 2026-09-08 17:10 UTCVendor advisory
  4. 2026-09-08 17:10 UTCGHSA enrichment
  5. 2026-09-08 12:49 UTCVendor advisory
  6. 2026-09-08 12:48 UTCGHSA enrichment
  7. 2026-09-08 08:26 UTCGHSA enrichment
  8. 2026-09-08 04:06 UTCVendor advisory
  9. 2026-09-08 04:06 UTCGHSA enrichment
  10. 2026-09-07 23:47 UTCVendor advisory
  11. 2026-09-07 23:47 UTCGHSA enrichment
  12. 2026-09-07 19:29 UTCVendor advisory
  13. 2026-09-07 19:29 UTCGHSA enrichment
  14. 2026-09-07 15:11 UTCVendor advisory
  15. 2026-09-07 15:11 UTCGHSA enrichment
  16. 2026-09-07 10:52 UTCVendor advisory
  17. 2026-09-07 10:52 UTCGHSA enrichment
  18. 2026-09-07 06:31 UTCVendor advisory
  19. 2026-09-07 06:30 UTCGHSA enrichment
  20. 2026-09-07 02:11 UTCVendor advisory
  21. 2026-09-07 02:10 UTCGHSA enrichment
  22. 2026-09-06 21:49 UTCVendor advisory
  23. 2026-09-06 21:49 UTCGHSA enrichment
  24. 2026-09-06 17:29 UTCEG score recompute
  25. 2026-09-06 17:29 UTCVendor advisory
Show 75 more
  1. 2026-09-06 17:29 UTCGHSA enrichment
  2. 2026-09-06 13:45 UTCEPSS rescore
  3. 2026-09-06 13:10 UTCVendor advisory
  4. 2026-09-06 13:10 UTCGHSA enrichment
  5. 2026-09-06 08:51 UTCVendor advisory
  6. 2026-09-06 08:51 UTCGHSA enrichment
  7. 2026-09-06 04:32 UTCVendor advisory
  8. 2026-09-06 04:32 UTCGHSA enrichment
  9. 2026-09-06 00:14 UTCVendor advisory
  10. 2026-09-06 00:14 UTCGHSA enrichment
  11. 2026-09-05 19:54 UTCVendor advisory
  12. 2026-09-05 19:54 UTCGHSA enrichment
  13. 2026-09-05 15:36 UTCEG score recompute
  14. 2026-09-05 15:36 UTCVendor advisory
  15. 2026-09-05 15:36 UTCGHSA enrichment
  16. 2026-09-05 15:25 UTCEPSS rescore
  17. 2026-09-05 11:18 UTCVendor advisory
  18. 2026-09-05 11:18 UTCGHSA enrichment
  19. 2026-09-05 06:58 UTCVendor advisory
  20. 2026-09-05 06:58 UTCGHSA enrichment
  21. 2026-09-05 02:39 UTCVendor advisory
  22. 2026-09-05 02:39 UTCGHSA enrichment
  23. 2026-09-04 22:19 UTCVendor advisory
  24. 2026-09-04 22:19 UTCGHSA enrichment
  25. 2026-09-04 17:59 UTCVendor advisory
  26. 2026-09-04 17:59 UTCGHSA enrichment
  27. 2026-09-04 17:38 UTCCISA KEV update
  28. 2026-09-04 13:39 UTCVendor advisory
  29. 2026-09-04 13:39 UTCGHSA enrichment
  30. 2026-09-04 09:20 UTCEG score recompute
  31. 2026-09-04 09:20 UTCVendor advisory
  32. 2026-09-04 09:20 UTCGHSA enrichment
  33. 2026-09-04 05:04 UTCEPSS rescore
  34. 2026-09-04 05:01 UTCVendor advisory
  35. 2026-09-04 05:01 UTCGHSA enrichment
  36. 2026-09-04 00:40 UTCVendor advisory
  37. 2026-09-04 00:40 UTCGHSA enrichment
  38. 2026-09-03 20:21 UTCVendor advisory
  39. 2026-09-03 20:20 UTCGHSA enrichment
  40. 2026-09-03 15:59 UTCVendor advisory
  41. 2026-09-03 15:59 UTCGHSA enrichment
  42. 2026-09-03 11:41 UTCVendor advisory
  43. 2026-09-03 11:40 UTCGHSA enrichment
  44. 2026-09-03 07:17 UTCVendor advisory
  45. 2026-09-03 07:17 UTCGHSA enrichment
  46. 2026-09-03 02:58 UTCVendor advisory
  47. 2026-09-03 02:58 UTCGHSA enrichment
  48. 2026-09-02 22:40 UTCVendor advisory
  49. 2026-09-02 22:40 UTCGHSA enrichment
  50. 2026-09-02 18:21 UTCGHSA enrichment
  51. 2026-09-02 17:33 UTCCISA KEV update
  52. 2026-09-02 14:00 UTCVendor advisory
  53. 2026-09-02 14:00 UTCGHSA enrichment
  54. 2026-09-02 09:42 UTCVendor advisory
  55. 2026-09-02 09:42 UTCGHSA enrichment
  56. 2026-09-02 05:23 UTCVendor advisory
  57. 2026-09-02 05:23 UTCGHSA enrichment
  58. 2026-09-02 01:05 UTCVendor advisory
  59. 2026-09-02 01:04 UTCGHSA enrichment
  60. 2026-09-01 20:44 UTCVendor advisory
  61. 2026-09-01 20:44 UTCGHSA enrichment
  62. 2026-09-01 16:25 UTCEG score recompute
  63. 2026-09-01 16:25 UTCVendor advisory
  64. 2026-09-01 16:25 UTCGHSA enrichment
  65. 2026-09-01 13:51 UTCEPSS rescore
  66. 2026-09-01 12:06 UTCVendor advisory
  67. 2026-09-01 12:05 UTCGHSA enrichment
  68. 2026-09-01 07:46 UTCVendor advisory
  69. 2026-09-01 07:46 UTCGHSA enrichment
  70. 2026-09-01 03:27 UTCVendor advisory
  71. 2026-09-01 03:26 UTCGHSA enrichment
  72. 2026-08-31 23:07 UTCVendor advisory
  73. 2026-08-31 23:06 UTCGHSA enrichment
  74. 2026-08-31 18:48 UTCVendor advisory
  75. 2026-08-31 18:47 UTCGHSA enrichment

Related CVEs(same vendor + same CWE)

Frequently asked(6)

What is CVE-2023-24880?
CVE-2023-24880 is a critical vulnerability published on March 14, 2023. Windows SmartScreen Security Feature Bypass Vulnerability
When was CVE-2023-24880 disclosed?
CVE-2023-24880 was first published in the National Vulnerability Database on March 14, 2023, with the most recent update on October 27, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-24880 actively exploited?
Yes. CISA added CVE-2023-24880 to the Known Exploited Vulnerabilities catalog on March 14, 2023, affecting Microsoft Windows. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2023-24880?
CVE-2023-24880 has a CVSS v3 base score of 4.4 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2023-24880?
CVE-2023-24880 affects Microsoft Windows. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2023-24880?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-24880, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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