CVE-2026-24301

HIGHNVD 7.58.8▲
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-18. NVD baseline CVSS 7.5; sources differ by 1.3.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 4.1%CVSS: 7.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.

CVSS v3
7.5
EG Score
8.8HIGHmedium confidence
EG Risk
41
EG Risk 41/100CISA SSVC

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
Severity88% × 45%
Exploitation4% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
4.1%
EPSS %ILE
90th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 18, 2026

Last Modified

September 29, 2026

Advisory Details (1)

Auto-updated Aug 18, 2026
Patch available. Sources: microsoft.
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-2026-24301

Vendor Advisories for CVE-2026-24301(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 34× in last 7d / 170× 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 325 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-24301?
CVE-2026-24301 is a high vulnerability published on August 18, 2026. Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.
When was CVE-2026-24301 disclosed?
CVE-2026-24301 was first published on August 18, 2026, with the most recent update on September 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-24301 actively exploited?
CVE-2026-24301 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.1% probability of exploitation in the next 30 days (90th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-24301?
CVE-2026-24301 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.8 (HIGH).
How do I remediate CVE-2026-24301?
A fix for CVE-2026-24301 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-24301 are linked in the Vendor Advisories panel on this page.

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