CVE-2023-29360

CRITICALNVD 8.49.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2024-02-29), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.4 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: 22%CVSS: 8.4Exploit: cisa kev · ssvc active · epss top5pct · public exploitExposed: 0

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

Microsoft Streaming Service Elevation of Privilege Vulnerability

CVSS v3
8.4
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
22%
EPSS %ILE
98%
KEV
⚠ Exploited

Published

June 14, 2023

Last Modified

October 28, 2025

Advisory Details (2)

Auto-updated Jun 2, 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-2023-29360
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-2023-29360

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 99× in last 7d / 416× 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 1,373 total refreshes for this CVE.

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

Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoC0xDivyanshu-new/CVE-2023-29360
    First seen Aug 31, 2024

    POC for CVE-2023-29360

    Open source ↗
  • GitHub PoCNero22k/cve-2023-29360
    First seen Sep 24, 2023

    Exploit for CVE-2023-29360 targeting MSKSSRV.SYS driver

    Open source ↗

Related CVEs(same vendor + same CWE)

Frequently asked(6)

What is CVE-2023-29360?
CVE-2023-29360 is a critical vulnerability published on June 14, 2023. Microsoft Streaming Service Elevation of Privilege Vulnerability
When was CVE-2023-29360 disclosed?
CVE-2023-29360 was first published in the National Vulnerability Database on June 14, 2023, with the most recent update on October 28, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-29360 actively exploited?
Yes. CISA added CVE-2023-29360 to the Known Exploited Vulnerabilities catalog on February 29, 2024, affecting Microsoft Streaming Service. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2023-29360?
CVE-2023-29360 has a CVSS v3 base score of 8.4 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2023-29360?
CVE-2023-29360 affects Microsoft Streaming Service. 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-2023-29360?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-29360, 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

Explore the affected products and dependency analysis for CVE-2023-29360

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