CVE-2010-0269

critical
Published 2010-04-14 ยท Modified 2026-04-29
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
10.0

Description

The SMB client in Microsoft Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly allocate memory for SMB responses, which allows remote SMB servers and man-in-the-middle attackers to execute arbitrary code via a crafted (1) SMBv1 or (2) SMBv2 response, aka "SMB Client Memory Allocation Vulnerability."

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-12273 dos windows verified
laurent gaffie ยท 2010-04-17

Microsoft Windows 7/2008 R2 - SMB Client Trans2 Stack Overflow (MS10-020) (PoC)

Source code queued for fetch โ€” refresh in a moment.

OS impact

windows Windows Affected 2 releases
VersionStatusFixed in
- Affected โ€”
โ€” Affected โ€”

References

CWEs

CWE-399

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.