CVE-2010-0820

What it is

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."

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering, service disruption.

Exploit odds

14.4% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2010-03-02 00:00 UTC ReservedThe CVE id was reserved by its CNA
2. 2010-09-15 19:00 UTC PublishedDisclosed publicly on CVE.org and NVD
3. 2026-06-16 23:16 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 14.4% in the next 30 days (EPSS).
• Severity: 8.8 HIGH (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2010-09-15 19:00 UTC

Last modified

2026-06-16 23:16 UTC

Exploit probability

14.4% · EPSS, next 30 days

Weakness

CWE-119 · Buffer errors

Record status

Modified

Affected

• Microsoft Windows 7
• Microsoft Windows Server 2003
• Microsoft Windows Server 2008
• Microsoft Windows Server 2008 r2
• Microsoft Windows Vista
• Microsoft Windows Xp

Attack profile CVSS 3.1 · 8.8

Attack vector

Network

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2010-0820.md and follow it. Check whether this project is affected by CVE-2010-0820. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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