CVE-2026-33829

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory published 2026-04-14. the CNA's CVSS baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Elevated
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS: 4.3Exploit: Elevated riskExposed: 0

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

Exposure of sensitive information to an unauthorized actor in Windows Snipping Tool allows an unauthorized attacker to perform spoofing over a network.

CVSS v3
4.3
EG Score
4.3(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: Track

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
Severity43% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
3%
EPSS %ILE
88%
KEV
Not listed

Published

April 14, 2026

Last Modified

August 14, 2026

Advisory Details (2)

Auto-updated Jul 26, 2026
🔬 Proof of concept available. Patch available. Sources: microsoft.
generic🟡 PoC Available

redteam-research/CVE-2026-33829 at master · blackarrowsec/redteam-research · GitHub

https://github.com/blackarrowsec/redteam-research/tree/master/CVE-2026-33829
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-2026-33829

Vendor Advisories for CVE-2026-33829(1)

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 7× in last 7d / 28× 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 204 total refreshes for this CVE.

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

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 GitHub PoC) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCtiffanykarihi23/CVE-2026-33829
    First seen Jun 4, 2026
    Open source ↗
  • Exploit-DBEDB-52567
    First seen May 15, 2026

    Windows Snipping Tool - NTLMv2 Hash Hijack

    Open source ↗

Frequently asked(5)

What is CVE-2026-33829?
CVE-2026-33829 is a medium vulnerability published on April 14, 2026. Exposure of sensitive information to an unauthorized actor in Windows Snipping Tool allows an unauthorized attacker to perform spoofing over a network.
When was CVE-2026-33829 disclosed?
CVE-2026-33829 was first published in the National Vulnerability Database on April 14, 2026, with the most recent update on August 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-33829 actively exploited?
CVE-2026-33829 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 11.7% of all scored CVEs.
What is the CVSS score of CVE-2026-33829?
CVE-2026-33829 has a CVSS v4.0 base score of 4.3 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-33829?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-33829, 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-2026-33829

Explore →

Is Your Infrastructure Affected by CVE-2026-33829?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs