CVE-2008-4835

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 45%CVSS: 9.8Exploit: NoneExposed: 0

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

SMB in the Server service in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 allows remote attackers to execute arbitrary code via malformed values of unspecified "fields inside the SMB packets" in an NT Trans2 request, related to "insufficiently validating the buffer size," aka "SMB Validation Remote Code Execution Vulnerability."

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
98.6%
KEV
Not listed

Published

January 14, 2009

Last Modified

April 23, 2026

Advisory Details (6)

Auto-updated May 12, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic
http://www.securityfocus.com/bid/33122
generic
http://www.securityfocus.com/archive/1/500013/100/0/threaded
generic🟡 PoC Available

Microsoft Security Bulletin MS09-001 - Critical | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-001
generic

ZDI-09-002 | Zero Day Initiative

http://www.zerodayinitiative.com/advisories/ZDI-09-002/
generic

VUPEN Security - Vulnerability Research and Intelligence

http://www.vupen.com/english/advisories/2009/0116
generic
http://www.securitytracker.com/id?1021560

Data Freshness Timeline

(refreshed 5× in last 7d / 29× 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.

  1. 2026-07-05 02:26 UTCEPSS rescore
  2. 2026-07-05 02:26 UTCEPSS rescore
  3. 2026-07-02 14:00 UTCEPSS rescore
  4. 2026-07-01 15:02 UTCEPSS rescore
  5. 2026-07-01 15:02 UTCEPSS rescore
  6. 2026-06-30 23:19 UTCEPSS rescore
  7. 2026-06-28 04:52 UTCEPSS rescore
  8. 2026-06-27 03:04 UTCEPSS rescore
  9. 2026-06-25 13:46 UTCEPSS rescore
  10. 2026-06-25 13:46 UTCEPSS rescore
  11. 2026-06-23 21:29 UTCEPSS rescore
  12. 2026-06-23 21:29 UTCEPSS rescore
  13. 2026-06-22 14:22 UTCEPSS rescore
  14. 2026-06-22 14:22 UTCEPSS rescore
  15. 2026-06-21 01:56 UTCEPSS rescore
  16. 2026-06-21 01:56 UTCEPSS rescore
  17. 2026-06-18 17:49 UTCEPSS rescore
  18. 2026-06-18 17:49 UTCEPSS rescore
  19. 2026-06-17 17:49 UTCEPSS rescore
  20. 2026-06-17 17:49 UTCEPSS rescore
  21. 2026-06-16 17:49 UTCEPSS rescore
  22. 2026-06-16 17:49 UTCEPSS rescore
  23. 2026-06-15 17:44 UTCEPSS rescore
  24. 2026-06-14 23:13 UTCEPSS rescore
  25. 2026-06-12 23:08 UTCEPSS rescore
Show 53 more
  1. 2026-06-12 23:08 UTCEPSS rescore
  2. 2026-06-11 13:56 UTCEPSS rescore
  3. 2026-06-10 22:14 UTCEPSS rescore
  4. 2026-06-10 13:17 UTCEPSS rescore
  5. 2026-06-07 15:22 UTCEPSS rescore
  6. 2026-06-05 22:44 UTCEPSS rescore
  7. 2026-06-05 22:44 UTCEPSS rescore
  8. 2026-06-05 06:07 UTCEPSS rescore
  9. 2026-06-04 13:09 UTCEPSS rescore
  10. 2026-06-04 13:09 UTCEPSS rescore
  11. 2026-06-02 20:10 UTCEPSS rescore
  12. 2026-06-02 20:10 UTCEPSS rescore
  13. 2026-06-01 13:49 UTCEPSS rescore
  14. 2026-06-01 13:49 UTCEPSS rescore
  15. 2026-06-01 13:49 UTCEPSS rescore
  16. 2026-05-31 22:28 UTCEPSS rescore
  17. 2026-05-31 22:28 UTCEPSS rescore
  18. 2026-05-31 00:13 UTCEPSS rescore
  19. 2026-05-31 00:13 UTCEPSS rescore
  20. 2026-05-29 13:40 UTCEPSS rescore
  21. 2026-05-28 13:42 UTCEPSS rescore
  22. 2026-05-28 13:42 UTCEPSS rescore
  23. 2026-05-28 13:42 UTCEPSS rescore
  24. 2026-05-27 13:38 UTCEPSS rescore
  25. 2026-05-27 13:37 UTCEPSS rescore
  26. 2026-05-26 13:41 UTCEPSS rescore
  27. 2026-05-26 13:41 UTCEPSS rescore
  28. 2026-05-26 07:16 UTCEPSS rescore
  29. 2026-05-26 07:16 UTCEPSS rescore
  30. 2026-05-24 16:43 UTCEPSS rescore
  31. 2026-05-22 21:15 UTCEPSS rescore
  32. 2026-05-22 21:15 UTCEPSS rescore
  33. 2026-05-20 22:37 UTCEPSS rescore
  34. 2026-05-20 22:36 UTCEPSS rescore
  35. 2026-05-20 11:12 UTCEG score recompute
  36. 2026-05-20 11:12 UTCGHSA enrichment
  37. 2026-05-20 06:51 UTCEG score recompute
  38. 2026-05-20 06:51 UTCGHSA enrichment
  39. 2026-05-20 02:42 UTCEG score recompute
  40. 2026-05-20 02:42 UTCGHSA enrichment
  41. 2026-05-19 22:45 UTCEG score recompute
  42. 2026-05-19 22:45 UTCGHSA enrichment
  43. 2026-05-19 18:49 UTCEG score recompute
  44. 2026-05-19 18:49 UTCGHSA enrichment
  45. 2026-05-19 14:32 UTCEG score recompute
  46. 2026-05-19 14:32 UTCGHSA enrichment
  47. 2026-05-19 09:52 UTCEG score recompute
  48. 2026-05-19 09:52 UTCGHSA enrichment
  49. 2026-05-19 05:39 UTCEG score recompute
  50. 2026-05-19 05:39 UTCGHSA enrichment
  51. 2026-05-19 01:42 UTCEG score recompute
  52. 2026-05-19 01:42 UTCGHSA enrichment
  53. 2026-05-18 21:29 UTCEPSS rescore

Frequently asked(5)

What is CVE-2008-4835?
CVE-2008-4835 is a critical vulnerability published on January 14, 2009. SMB in the Server service in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 allows remote attackers to execute arbitrary code via malformed values of unspecified "fields inside the SMB packets" in an NT Trans2 request, related to…
When was CVE-2008-4835 disclosed?
CVE-2008-4835 was first published in the National Vulnerability Database on January 14, 2009, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2008-4835 actively exploited?
CVE-2008-4835 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2008-4835?
CVE-2008-4835 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2008-4835?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2008-4835, 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.

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