CVE-2012-0002

highpriority · attend · 73EPSS 0.752 · 100 %ileexploit · functionalEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

4 exploits · functional

Likely / severe?

75.2% (100th) EPSS

CVSS 9.3 · high

Is it mine?

45 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

The Remote Desktop Protocol (RDP) implementation 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 does not properly process packets in memory, which allows remote attackers to execute arbitrary code by sending crafted RDP packets triggering access to an object that (1) was not properly initialized or (2) is deleted, aka "Remote Desktop Protocol Vulnerability."

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationWindows 7 for 32-bit Systems and Windows 7 for 32-bit Systems Service Pack 1\ (KB2621440)cisa_csaf_ot
Microsoft has issued a patch for this vulnerability that is available on their update website or automatically if automatic updates are turned on in a system. (https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN)
https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN
MitigationWindows 7 for 32-bit Systems and Windows 7 for 32-bit Systems Service Pack 1\ (KB2667402)cisa_csaf_ot
Microsoft has issued a patch for this vulnerability that is available on their update website or automatically if automatic updates are turned on in a system. (https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN)
https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN
MitigationWindows 7 for x64-based Systems and Windows 7 for x64-based Systems Service Pack 1\ (KB2621440)cisa_csaf_ot
Microsoft has issued a patch for this vulnerability that is available on their update website or automatically if automatic updates are turned on in a system. (https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN)
https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN
MitigationWindows 7 for x64-based Systems and Windows 7 for x64-based Systems Service Pack 1\ (KB2667402)cisa_csaf_ot
Microsoft has issued a patch for this vulnerability that is available on their update website or automatically if automatic updates are turned on in a system. (https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN)
https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN
MitigationWindows Server 2003 Service Pack 2 (KB2621440)cisa_csaf_ot
Microsoft has issued a patch for this vulnerability that is available on their update website or automatically if automatic updates are turned on in a system. (https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN)
https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN
MitigationWindows Server 2003 with SP2 for Itanium-based Systems (KB2621440)cisa_csaf_ot
Microsoft has issued a patch for this vulnerability that is available on their update website or automatically if automatic updates are turned on in a system. (https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN)
https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN
MitigationWindows Server 2003 x64 Edition Service Pack 2 (KB2621440)cisa_csaf_ot
Microsoft has issued a patch for this vulnerability that is available on their update website or automatically if automatic updates are turned on in a system. (https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN)
https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN
MitigationWindows Server 2008 R2 for Itanium-based Systems and Windows Server 2008 R2 for Itanium-based Systems Service Pack 1\ (KB2621440)cisa_csaf_ot
Microsoft has issued a patch for this vulnerability that is available on their update website or automatically if automatic updates are turned on in a system. (https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN)
https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN
MitigationWindows Server 2008 R2 for Itanium-based Systems and Windows Server 2008 R2 for Itanium-based Systems Service Pack 1\ (KB2667402)cisa_csaf_ot
Microsoft has issued a patch for this vulnerability that is available on their update website or automatically if automatic updates are turned on in a system. (https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN)
https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN
MitigationWindows Server 2008 R2 for x64-based Systems and Windows Server 2008 R2 for x64-based Systems Service Pack 1*\ (KB2621440)cisa_csaf_ot
Microsoft has issued a patch for this vulnerability that is available on their update website or automatically if automatic updates are turned on in a system. (https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN)
https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN
MitigationWindows Server 2008 R2 for x64-based Systems and Windows Server 2008 R2 for x64-based Systems Service Pack 1*\ (KB2667402)cisa_csaf_ot
Microsoft has issued a patch for this vulnerability that is available on their update website or automatically if automatic updates are turned on in a system. (https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN)
https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN
MitigationWindows Server 2008 for 32-bit Systems Service Pack 2* (KB2621440)cisa_csaf_ot
Microsoft has issued a patch for this vulnerability that is available on their update website or automatically if automatic updates are turned on in a system. (https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN)
https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN
MitigationWindows Server 2008 for Itanium-based Systems Service Pack 2\ (KB2621440)cisa_csaf_ot
Microsoft has issued a patch for this vulnerability that is available on their update website or automatically if automatic updates are turned on in a system. (https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN)
https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN
MitigationWindows Server 2008 for x64-based Systems Service Pack 2*\ (KB2621440)cisa_csaf_ot
Microsoft has issued a patch for this vulnerability that is available on their update website or automatically if automatic updates are turned on in a system. (https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN)
https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN
MitigationWindows Vista Service Pack 2 (KB2621440)cisa_csaf_ot
Microsoft has issued a patch for this vulnerability that is available on their update website or automatically if automatic updates are turned on in a system. (https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN)
https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN
MitigationWindows Vista x64 Edition Service Pack 2 (KB2621440)cisa_csaf_ot
Microsoft has issued a patch for this vulnerability that is available on their update website or automatically if automatic updates are turned on in a system. (https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN)
https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN
MitigationWindows XP Professional x64 Edition Service Pack 2 (KB2621440)cisa_csaf_ot
Microsoft has issued a patch for this vulnerability that is available on their update website or automatically if automatic updates are turned on in a system. (https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN)
https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN
MitigationWindows XP Service Pack 3 (KB2621440)cisa_csaf_ot
Microsoft has issued a patch for this vulnerability that is available on their update website or automatically if automatic updates are turned on in a system. (https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN)
https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-020?redirectedfrom=MSDN

cvss

Technical severity, 0–10. One row per scoring source.

9.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 9.3–9.3

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 10

v2.09.3criticalAV:N/AC:M/Au:N/C:C/I:C/A:Csecondary · CISA US

v2.09.3criticalAV:N/AC:M/Au:N/C:C/I:C/A:Csecondary · FSTEC (BDU) RU

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:C/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-94USprimaryCWE-94USCWE-94US

exploits (4)

Public proof-of-concept and weaponised exploit code.

EDB-18606Microsoft Terminal Services - Use-After-Free (MS12-020)functional · exploit_db
auxiliary/dos/windows/rdp/ms12_020_maxchannelidsMS12-020 Microsoft Remote Desktop Use-After-Free DoSfunctional · metasploit
auxiliary/scanner/rdp/ms12_020_checkMS12-020 Microsoft Remote Desktop Checkerfunctional · metasploit
zhangkaibin0921/MS12-020-CVE-2012-0002zhangkaibin0921/MS12-020-CVE-2012-0002PoC · poc_in_github

affected products (45)

Products and version ranges known to be affected.

showing 20 of 45

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-12-079-01Microsoft Remote Desktop Protocol Memory Corruption Vulnerability2012-12-21icsa · cisa_csaf_otUS
This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot NVD CVE.org MITRE

published 2012-03-13modified 2026-06-16

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references (16)

External citations — patches, advisories, analysis.

scry

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