Windows Xp vulnerabilitiesAnd the versions its exploited flaws hit.
Windows Xp is made by Microsoft. We track 1,352 published vulnerabilities listed under that exact name, across 5 versions. 24 of them are on the list of flaws known to be exploited, the newest added on 20 May 2026. Microsoft lists newer releases under their own names, such as Windows Xp Media Center, so check those pages too.
The most recent Windows Xp flaw added to the known-exploited list is CVE-2010-0249, on 20 May 2026. We keep watching the known-exploited list.
Is Windows Xp listed under other names? Yes.
Microsoft also lists Windows Xp under more specific names, such as Windows Xp Media Center. Flaws listed only under those names are counted on their own pages, not here. If you run one of these, open its page for its own exploited flaws.
Which versions of Windows Xp do the exploited flaws hit?
Each exploited flaw lists the versions it affects, as published by the vendor. Find your version, then patch.
- CVE-2009-1537Exploited list, 20 May 2026
Microsoft DirectX NULL Byte Overwrite Vulnerability
all versions - CVE-2012-4792Exploited list, 23 Jul 2024
Microsoft Internet Explorer Use-After-Free Vulnerability
all versions - CVE-2012-0151Exploited list, 8 Jun 2022
Microsoft Windows Authenticode Signature Verification Remote Code Execution Vulnerability
all versions - CVE-2012-4969Exploited list, 8 Jun 2022
Microsoft Internet Explorer Use-After-Free Vulnerability
all versions
20 more exploited flaws name Windows Xp without a version of its own, for example as the system other affected software runs on. They are in the list below.
Which Windows Xp vulnerabilities are being exploited?
24 flaws are on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.
- 8.8Microsoft Internet Explorer Use-After-Free Vulnerability
Microsoft Internet Explorer contains an use-after-free vulnerability that could allow remote attackers to execute arbitrary code by accessing a pointer associated with a deleted object.
- 9.8Microsoft Windows Buffer Overflow Vulnerability
Microsoft Windows contains a buffer overflow vulnerability in the Windows Server Service that allows remote attackers to execute arbitrary code via a crafted RPC request that triggers an overflow during path...
- 8.8Microsoft Internet Explorer Use-After-Free Vulnerability
Microsoft Internet Explorer contains an use-after-free vulnerability that could allow remote attackers to execute arbitrary code via vectors involving access to an invalid pointer after the deletion of an object.
- 8.8Microsoft DirectX NULL Byte Overwrite Vulnerability
Microsoft DirectX contains a NULL byte overwrite vulnerability in the QuickTime Movie Parser Filter in quartz.dll in DirectShow which could allow remote attackers to execute arbitrary code via a crafted QuickTime...
- 8.8Microsoft Windows Video ActiveX Control Remote Code Execution Vulnerability
Microsoft Windows Video ActiveX Control contains a remote code execution vulnerability.
- 8.8Microsoft Windows Out-of-Bounds Write Vulnerability
Microsoft Windows contains an out-of-bounds write vulnerability in the InformationCardSigninHelper Class ActiveX control, icardie.dll.
- 9.3Microsoft Internet Explorer Uninitialized Memory Corruption Vulnerability
Microsoft Internet Explorer contains an uninitialized memory corruption vulnerability that could allow for remote code execution.
- 8.8Microsoft Windows Remote Code Execution Vulnerability
Microsoft Windows Kernel contains an unspecified vulnerability in the TrueType font parsing engine in win32k.sys in the kernel-mode drivers that allows remote attackers to execute arbitrary code via crafted font data...
Which Windows Xp flaws are most likely to be used?
Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.
- 98%CVE-2003-0352High
Buffer overflow in a certain DCOM interface for RPC in Microsoft Windows NT 4.0, 2000, XP, and Server 2003 allows remote attackers to execute arbitrary code via a malformed message, as exploited by the...
- 98%CVE-2009-1535High
The WebDAV extension in Microsoft Internet Information Services (IIS) 5.1 and 6.0 allows remote attackers to bypass URI-based protection mechanisms, and list folders or read, create, or modify files, via a %c0%af...
- 97%
Use-after-free vulnerability in Microsoft Internet Explorer 6, 7, and 8 allows remote attackers to execute arbitrary code via vectors related to Cascading Style Sheets (CSS) token sequences and the clip attribute,...
- 93%CVE-2005-1983Critical
Stack-based buffer overflow in the Plug and Play (PnP) service for Microsoft Windows 2000 and Windows XP Service Pack 1 allows remote attackers to execute arbitrary code via a crafted packet, and local users to gain...
- 91%CVE-2009-3023Critical
Buffer overflow in the FTP Service in Microsoft Internet Information Services (IIS) 5.0 through 6.0 allows remote authenticated users to execute arbitrary code via a crafted NLST (NAME LIST) command that uses...
- 87%CVE-2005-4360High
The URL parser in Microsoft Internet Information Services (IIS) 5.1 on Windows XP Professional SP2 allows remote attackers to execute arbitrary code via multiple requests to ".dll" followed by arguments such as "~0"...
Running Windows Xp? We'll keep checking.
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1 flaw being exploited affects software Acme tracks
Microsoft Internet Explorer contains an use-after-free vulnerability that could allow remote attackers to execute arbitrary code by accessing a pointer associated with a deleted object. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.
- Matched to
- Windows Xp on Acme's software list
- What to do
- Patch first, then check for signs of use
Sent to the alert recipients Acme chose. Also in the app and to Acme's webhook.
We track 1,352 published vulnerabilities listed under the name Windows Xp, across 5 versions. The most recent Windows Xp flaw added to the known-exploited list is CVE-2010-0249, on 20 May 2026.
24 are on the list of flaws known to be exploited. The most recently added are CVE-2010-0249, CVE-2008-4250 and CVE-2010-0806.
Microsoft also lists Windows Xp under more specific names, such as Windows Xp Media Center. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list.
Each flaw names its own versions, usually as ranges. The newest, CVE-2009-1537, affects all versions. The versions for every exploited flaw are listed on this page.
Create a Precursor Intelligence account and track Windows Xp. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.