CVE-2011-3406

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 23%CVSS: 8.8Exploit: Elevated riskExposed: 0

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

Buffer overflow in Active Directory, Active Directory Application Mode (ADAM), and Active Directory Lightweight Directory Service (AD LDS) in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote authenticated users to execute arbitrary code via a crafted query that leverages incorrect memory initialization, aka "Active Directory Buffer Overflow Vulnerability."

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
56(Track)
EG Risk 56/100SSVC: 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
Severity88% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
23%
EPSS %ILE
98%
KEV
Not listed

Published

December 14, 2011

Last Modified

April 29, 2026

Advisory Details (1)

Auto-updated May 2, 2026
No patch confirmed yet.
generic

Microsoft Security Bulletin MS11-095 - Important | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-095

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 33× 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. 2026-07-23 14:14 UTCEPSS rescore
  2. 2026-07-23 01:05 UTCEG score recompute
  3. 2026-07-23 00:09 UTCEG score recompute
  4. 2026-07-22 21:48 UTCEG score recompute
  5. 2026-07-22 14:03 UTCEPSS rescore
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  55. 2026-05-29 06:02 UTCGHSA enrichment
  56. 2026-05-28 13:42 UTCEPSS rescore
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  72. 2026-05-18 21:29 UTCEPSS rescore
  73. 2026-05-18 21:29 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2011-3406?
CVE-2011-3406 is a high vulnerability published on December 14, 2011. Buffer overflow in Active Directory, Active Directory Application Mode (ADAM), and Active Directory Lightweight Directory Service (AD LDS) in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows…
When was CVE-2011-3406 disclosed?
CVE-2011-3406 was first published in the National Vulnerability Database on December 14, 2011, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2011-3406 actively exploited?
CVE-2011-3406 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 23% probability of exploitation in the next 30 days, which ranks it in the top 2.5% of all scored CVEs.
What is the CVSS score of CVE-2011-3406?
CVE-2011-3406 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2011-3406?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-3406, 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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