Windows 10 1903 vulnerabilitiesAnd the versions its exploited flaws hit.

Product33 known exploited41 versions
The short answer

Windows 10 1903 is made by Microsoft. We track 37 published vulnerabilities in it, across 41 versions. 33 of them are on the list of flaws known to be exploited, the newest added on 7 April 2023. If you run Windows 10 1903, check your version against the exploited flaws below and patch those first.

Check your version

The most recent Windows 10 1903 flaw added to the known-exploited list is CVE-2019-1388, on 7 April 2023. We keep watching the known-exploited list.

Versions

Which versions of Windows 10 1903 do the exploited flaws hit?

Each exploited flaw lists the versions it affects, as published by the vendor. Find your version, then patch.

Showing the 30 most recently added of 33 exploited flaws. The full list is below.

Known exploited

Which Windows 10 1903 vulnerabilities are being exploited?

33 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.

  1. 7.8
    CVE-2019-1388HighKnown exploited
    Microsoft Windows Certificate Dialog Privilege Escalation Vulnerability

    Microsoft Windows Certificate Dialog contains a privilege escalation vulnerability, allowing attackers to run processes in an elevated context.

    Chance of use8.6%Known exploited since7 Apr 2023
  2. 7.8
    CVE-2019-1130HighKnown exploited
    Microsoft Windows AppX Deployment Service Privilege Escalation Vulnerability

    A privilege escalation vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links.

    Chance of use1.7%Known exploited since23 May 2022
  3. 7.8
    CVE-2019-0880HighKnown exploited
    Microsoft Windows Privilege Escalation Vulnerability

    A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls.

    Chance of use2.3%Known exploited since23 May 2022
  4. 7.8
    CVE-2020-0638HighKnown exploited
    Microsoft Update Notification Manager Privilege Escalation Vulnerability

    Microsoft Update Notification Manager contains an unspecified vulnerability that allows for privilege escalation.

    Chance of use2.4%Known exploited since23 May 2022
  5. 7.8
    CVE-2020-1027HighKnown exploited
    Microsoft Windows Kernel Privilege Escalation Vulnerability

    An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory.

    Chance of use4.5%Known exploited since23 May 2022
  6. 7.8
    CVE-2019-1385HighKnown exploited
    Microsoft Windows AppX Deployment Extensions Privilege Escalation Vulnerability

    A privilege escalation vulnerability exists when the Windows AppX Deployment Extensions improperly performs privilege management, resulting in access to system files.

    Chance of use3.6%Known exploited since23 May 2022
  7. 8.8
    CVE-2019-0903HighKnown exploited
    Microsoft GDI Remote Code Execution Vulnerability

    A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory.

    Chance of use22%Known exploited since25 Mar 2022
  8. 7.8
    CVE-2019-1069HighKnown exploited
    Microsoft Task Scheduler Privilege Escalation Vulnerability

    A privilege escalation vulnerability exists in the way the Task Scheduler Service validates certain file operations.

    Chance of use6.1%Known exploited since15 Mar 2022
Exploit likelihood

Which Windows 10 1903 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.

50% or more10% to 49%Under 10%
  1. >99%
    CVE-2020-0796CriticalKnown exploited

    A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Remote Code Execution Vulnerability'.

    CVSS10.0Published12 Mar 2020
  2. 89%
    CVE-2020-0601HighKnown exploited

    A spoofing vulnerability exists in the way Windows CryptoAPI (Crypt32.dll) validates Elliptic Curve Cryptography (ECC) certificates.An attacker could exploit the vulnerability by using a spoofed code-signing...

    CVSS8.1Published14 Jan 2020
  3. 69%
    CVE-2020-0938HighKnown exploited

    A remote code execution vulnerability exists in Microsoft Windows when the Windows Adobe Type Manager Library improperly handles a specially-crafted multi-master font - Adobe Type 1 PostScript format.For all systems...

    CVSS7.8Published15 Apr 2020
  4. 65%
    CVE-2020-1020HighKnown exploited

    A remote code execution vulnerability exists in Microsoft Windows when the Windows Adobe Type Manager Library improperly handles a specially-crafted multi-master font - Adobe Type 1 PostScript format.For all systems...

    CVSS8.8Published15 Apr 2020
  5. 54%
    CVE-2020-1054HighKnown exploited

    An elevation of privilege vulnerability exists in Windows when the Windows kernel-mode driver fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'.

    CVSS7.8Published21 May 2020
  6. 52%
    CVE-2019-1367HighKnown exploited

    A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'.

    CVSS7.5Published23 Sep 2019
  7. 43%
    CVE-2020-0787HighKnown exploited

    An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) improperly handles symbolic links, aka 'Windows Background Intelligent Transfer Service Elevation of...

    CVSS7.8Published12 Mar 2020
  8. 39%
    CVE-2020-1464HighKnown exploited

    A spoofing vulnerability exists when Windows incorrectly validates file signatures.

    CVSS7.8Published17 Aug 2020
Precursor Intelligence

Running Windows 10 1903? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

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FAQ

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We track 37 published vulnerabilities listed under the name Windows 10 1903, across 41 versions. The most recent Windows 10 1903 flaw added to the known-exploited list is CVE-2019-1388, on 7 April 2023.

33 are on the list of flaws known to be exploited. The most recently added are CVE-2019-1388, CVE-2019-1130 and CVE-2019-0880.

Create a Precursor Intelligence account and track Windows 10 1903. 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.