CVE-2023-23376

CRITICALNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2023-02-14), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.8 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: 11%CVSS: 7.8Exploit: cisa kev · ssvc active · kev ransomware · epss top5pctExposed: 0

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

Windows Common Log File System Driver Elevation of Privilege Vulnerability

CVSS v3
7.8
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
11%
EPSS %ILE
96%
KEV
⚠ Exploited

Published

February 14, 2023

Last Modified

August 19, 2026

Advisory Details (2)

Auto-updated Jun 4, 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-2023-23376
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-2023-23376

Weakness Classification(2)

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 92× in last 7d / 387× 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 1,265 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2023-23376?
CVE-2023-23376 is a critical vulnerability published on February 14, 2023. Windows Common Log File System Driver Elevation of Privilege Vulnerability
When was CVE-2023-23376 disclosed?
CVE-2023-23376 was first published in the National Vulnerability Database on February 14, 2023, with the most recent update on August 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-23376 actively exploited?
Yes. CISA added CVE-2023-23376 to the Known Exploited Vulnerabilities catalog on February 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-2023-23376?
CVE-2023-23376 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2023-23376?
CVE-2023-23376 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-2023-23376?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-23376, 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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