No exploitation reported

CVE-2010-0820

No exploitation reported by the sources we read.

Published2010-09-15
WeaknessCWE-119 · CWE-120

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Heap-based buffer overflow in the Local Security Authority Subsystem Service (LSASS), as used in Active Directory in Microsoft Windows Server 2003 SP2 and Windows Server 2008 Gold, SP2, and R2; Active Directory Application Mode (ADAM) in Windows XP SP2 and SP3 and Windows Server 2003 SP2; and Active Directory Lightweight Directory Service (AD LDS) in Windows Vista SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7, allows remote authenticated users to execute arbitrary code via malformed LDAP messages, aka "LSASS Heap Overflow Vulnerability."

Timeline

dates in UTC

2010-09-1519:00CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2010-0820?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2010-0820?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Microsoft windows server 2008

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD
—	= r2	no fix published	NVD

Microsoft windows 7

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

Microsoft windows server 2003

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

2 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2024-01-11
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.18.82024-10-17
NVDCVSS 2.09read 2026-10-23
CISA-ADPweakness (CWE)CWE-1202024-10-17
NVDweakness (CWE)CWE-119read 2026-10-23
FIRST EPSSEPSS score14.4 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2010-09-15
Last Modified: 2026-06-16
NVD status: Modified

Frequently asked questions

What is CVE-2010-0820?

Is CVE-2010-0820 actively exploited?

Active exploitation of CVE-2010-0820 has not been confirmed. Its EPSS score was 14.4% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2010-0820?

CVE-2010-0820 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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