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 60× in last 7d / 333× 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 681 total refreshes for this CVE.

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

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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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