# Windows 8.1 vulnerabilities

> Windows 8.1 is made by Microsoft. We track 2,876 published vulnerabilities in it, across 2 versions. 149 of them are on the list of flaws known to be exploited, the newest added on 6 October 2025. If you run Windows 8.1, check your version against the exploited flaws below and patch those first.

Canonical page: https://www.edgeprotect.io/product/microsoft/windows_8.1

## At a glance

- **Made by:** [Microsoft](https://www.edgeprotect.io/vendors/microsoft)
- **Published vulnerabilities:** 2,876
- **Known to be exploited:** 149
- **Versions tracked:** 2
- **Most recently added to the known-exploited list:** [CVE-2013-3918](https://www.edgeprotect.io/what-is/cve-2013-3918), 6 October 2025. We keep watching the list.

## Which versions of Windows 8.1 do the exploited flaws hit?

Each exploited flaw lists the versions it affects, as published. "before 6.3.9600.20625" means every version up to, but not including, 6.3.9600.20625.

- [CVE-2022-38028](https://www.edgeprotect.io/what-is/cve-2022-38028) (Microsoft Windows Print Spooler Privilege Escalation Vulnerability): before 6.3.9600.20625
- [CVE-2016-0165](https://www.edgeprotect.io/what-is/cve-2016-0165) (Microsoft Win32k Privilege Escalation Vulnerability): all versions

28 more exploited flaws name Windows 8.1 without a version of its own (for example as the system other affected software runs on). They are in the list below.

Checked: the 30 most recently added of 50 exploited flaws.

## Which Windows 8.1 vulnerabilities are being exploited?

50 flaws are on the government list of vulnerabilities known to be exploited, newest first:

- [CVE-2013-3918](https://www.edgeprotect.io/what-is/cve-2013-3918): Microsoft Windows Out-of-Bounds Write Vulnerability. High, CVSS 8.8, chance of use in 30 days 74%, known exploited since 6 October 2025.
- [CVE-2021-43226](https://www.edgeprotect.io/what-is/cve-2021-43226): Microsoft Windows Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 3.1%, known exploited since 6 October 2025.
- [CVE-2018-8639](https://www.edgeprotect.io/what-is/cve-2018-8639): Microsoft Windows Win32k Improper Resource Shutdown or Release Vulnerability. High, CVSS 7.8, chance of use in 30 days 22%, known exploited since 3 March 2025.
- [CVE-2018-0824](https://www.edgeprotect.io/what-is/cve-2018-0824): Microsoft COM for Windows Deserialization of Untrusted Data Vulnerability. High, CVSS 8.8, chance of use in 30 days 73%, known exploited since 5 August 2024.
- [CVE-2022-38028](https://www.edgeprotect.io/what-is/cve-2022-38028): Microsoft Windows Print Spooler Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 15%, known exploited since 23 April 2024.
- [CVE-2016-0165](https://www.edgeprotect.io/what-is/cve-2016-0165): Microsoft Win32k Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 14%, known exploited since 22 June 2023.
- [CVE-2019-1388](https://www.edgeprotect.io/what-is/cve-2019-1388): Microsoft Windows Certificate Dialog Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 8.6%, known exploited since 7 April 2023.
- [CVE-2022-41073](https://www.edgeprotect.io/what-is/cve-2022-41073): Microsoft Windows Print Spooler Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 2.4%, known exploited since 8 November 2022.
- [CVE-2022-41125](https://www.edgeprotect.io/what-is/cve-2022-41125): Microsoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 3.0%, known exploited since 8 November 2022.
- [CVE-2022-41128](https://www.edgeprotect.io/what-is/cve-2022-41128): Microsoft Windows Scripting Languages Remote Code Execution Vulnerability. High, CVSS 8.8, chance of use in 30 days 25%, known exploited since 8 November 2022.
- [CVE-2022-41033](https://www.edgeprotect.io/what-is/cve-2022-41033): Microsoft Windows COM+ Event System Service Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 1.8%, known exploited since 11 October 2022.
- [CVE-2022-37969](https://www.edgeprotect.io/what-is/cve-2022-37969): Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 28%, known exploited since 14 September 2022.
- [CVE-2022-26923](https://www.edgeprotect.io/what-is/cve-2022-26923): Microsoft Active Directory Domain Services Privilege Escalation Vulnerability. High, CVSS 8.8, chance of use in 30 days 83%, known exploited since 18 August 2022.
- [CVE-2022-34713](https://www.edgeprotect.io/what-is/cve-2022-34713): Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability. High, CVSS 7.8, chance of use in 30 days 68%, known exploited since 9 August 2022.
- [CVE-2022-22047](https://www.edgeprotect.io/what-is/cve-2022-22047): Microsoft Windows Client Server Runtime Subsystem (CSRSS) Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 19%, known exploited since 12 July 2022.
- [CVE-2022-26925](https://www.edgeprotect.io/what-is/cve-2022-26925): Microsoft Windows LSA Spoofing Vulnerability. High, CVSS 8.1, chance of use in 30 days 10%, known exploited since 1 July 2022.
- [CVE-2022-30190](https://www.edgeprotect.io/what-is/cve-2022-30190): Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability. High, CVSS 7.8, chance of use in 30 days >99%, known exploited since 14 June 2022.
- [CVE-2015-0016](https://www.edgeprotect.io/what-is/cve-2015-0016): Microsoft Windows TS WebProxy Directory Traversal Vulnerability. High, CVSS 7.8, chance of use in 30 days 76%, known exploited since 25 May 2022.
- [CVE-2014-2817](https://www.edgeprotect.io/what-is/cve-2014-2817): Microsoft Internet Explorer Privilege Escalation Vulnerability. High, CVSS 8.8, chance of use in 30 days 26%, known exploited since 25 May 2022.
- [CVE-2015-2425](https://www.edgeprotect.io/what-is/cve-2015-2425): Microsoft Internet Explorer Memory Corruption Vulnerability. High, CVSS 8.8, chance of use in 30 days 45%, known exploited since 25 May 2022.
- [CVE-2016-3393](https://www.edgeprotect.io/what-is/cve-2016-3393): Microsoft Windows Graphics Device Interface (GDI) Remote Code Execution Vulnerability. High, CVSS 7.8, chance of use in 30 days 69%, known exploited since 25 May 2022.
- [CVE-2016-7256](https://www.edgeprotect.io/what-is/cve-2016-7256): Microsoft Windows Open Type Font Remote Code Execution Vulnerability. High, CVSS 8.8, chance of use in 30 days 65%, known exploited since 25 May 2022.
- [CVE-2015-2360](https://www.edgeprotect.io/what-is/cve-2015-2360): Microsoft Win32k Privilege Escalation Vulnerability. High, CVSS 8.8, chance of use in 30 days 15%, known exploited since 25 May 2022.
- [CVE-2016-1010](https://www.edgeprotect.io/what-is/cve-2016-1010): Adobe Flash Player and AIR Integer Overflow Vulnerability. High, CVSS 8.8, chance of use in 30 days 20%, known exploited since 25 May 2022.
- [CVE-2014-4148](https://www.edgeprotect.io/what-is/cve-2014-4148): Microsoft Windows Remote Code Execution Vulnerability. High, CVSS 8.8, chance of use in 30 days 51%, known exploited since 25 May 2022.
- [CVE-2015-1671](https://www.edgeprotect.io/what-is/cve-2015-1671): Microsoft Windows Remote Code Execution Vulnerability. High, CVSS 7.8, chance of use in 30 days 55%, known exploited since 25 May 2022.
- [CVE-2015-1769](https://www.edgeprotect.io/what-is/cve-2015-1769): Microsoft Windows Mount Manager Privilege Escalation Vulnerability. Medium, CVSS 6.6, chance of use in 30 days 4.3%, known exploited since 25 May 2022.
- [CVE-2016-0984](https://www.edgeprotect.io/what-is/cve-2016-0984): Adobe Flash Player and AIR Use-After-Free Vulnerability. High, CVSS 8.8, chance of use in 30 days 55%, known exploited since 25 May 2022.
- [CVE-2014-4123](https://www.edgeprotect.io/what-is/cve-2014-4123): Microsoft Internet Explorer Privilege Escalation Vulnerability. High, CVSS 8.8, chance of use in 30 days 40%, known exploited since 25 May 2022.
- [CVE-2013-7331](https://www.edgeprotect.io/what-is/cve-2013-7331): Microsoft Internet Explorer Information Disclosure Vulnerability. Medium, CVSS 6.5, chance of use in 30 days 58%, known exploited since 25 May 2022.
- [CVE-2015-0071](https://www.edgeprotect.io/what-is/cve-2015-0071): Microsoft Internet Explorer ASLR Bypass Vulnerability. Medium, CVSS 6.5, chance of use in 30 days 34%, known exploited since 25 May 2022.
- [CVE-2017-0005](https://www.edgeprotect.io/what-is/cve-2017-0005): Microsoft Windows Graphics Device Interface (GDI) Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 11%, known exploited since 24 May 2022.
- [CVE-2017-0149](https://www.edgeprotect.io/what-is/cve-2017-0149): Microsoft Internet Explorer Memory Corruption Vulnerability. High, CVSS 8.8, chance of use in 30 days 29%, known exploited since 24 May 2022.
- [CVE-2018-8611](https://www.edgeprotect.io/what-is/cve-2018-8611): Microsoft Windows Kernel Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 4.2%, known exploited since 24 May 2022.
- [CVE-2017-8543](https://www.edgeprotect.io/what-is/cve-2017-8543): Microsoft Windows Search Remote Code Execution Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 74%, known exploited since 24 May 2022.
- [CVE-2016-3351](https://www.edgeprotect.io/what-is/cve-2016-3351): Microsoft Internet Explorer and Edge Information Disclosure Vulnerability. Medium, CVSS 6.5, chance of use in 30 days 26%, known exploited since 24 May 2022.
- [CVE-2016-3298](https://www.edgeprotect.io/what-is/cve-2016-3298): Microsoft Internet Explorer Messaging API Information Disclosure Vulnerability. Medium, CVSS 6.5, chance of use in 30 days 33%, known exploited since 24 May 2022.
- [CVE-2017-0147](https://www.edgeprotect.io/what-is/cve-2017-0147): Microsoft Windows SMBv1 Information Disclosure Vulnerability. High, CVSS 7.5, chance of use in 30 days >99%, known exploited since 24 May 2022.
- [CVE-2017-0210](https://www.edgeprotect.io/what-is/cve-2017-0210): Microsoft Internet Explorer Privilege Escalation Vulnerability. High, CVSS 8.8, chance of use in 30 days 20%, known exploited since 24 May 2022.
- [CVE-2017-0022](https://www.edgeprotect.io/what-is/cve-2017-0022): Microsoft XML Core Services Information Disclosure Vulnerability. Medium, CVSS 6.5, chance of use in 30 days 18%, known exploited since 24 May 2022.
- [CVE-2016-0162](https://www.edgeprotect.io/what-is/cve-2016-0162): Microsoft Internet Explorer Information Disclosure Vulnerability. Medium, CVSS 4.3, chance of use in 30 days 22%, known exploited since 24 May 2022.
- [CVE-2019-1130](https://www.edgeprotect.io/what-is/cve-2019-1130): Microsoft Windows AppX Deployment Service Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 2.3%, known exploited since 23 May 2022.
- [CVE-2019-0703](https://www.edgeprotect.io/what-is/cve-2019-0703): Microsoft Windows SMB Information Disclosure Vulnerability. Medium, CVSS 6.5, chance of use in 30 days 9.6%, known exploited since 23 May 2022.
- [CVE-2019-0880](https://www.edgeprotect.io/what-is/cve-2019-0880): Microsoft Windows Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 2.4%, known exploited since 23 May 2022.
- [CVE-2018-5002](https://www.edgeprotect.io/what-is/cve-2018-5002): Adobe Flash Player Stack-based Buffer Overflow Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 25%, known exploited since 23 May 2022.
- [CVE-2020-1027](https://www.edgeprotect.io/what-is/cve-2020-1027): Microsoft Windows Kernel Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 4.4%, known exploited since 23 May 2022.
- [CVE-2019-0676](https://www.edgeprotect.io/what-is/cve-2019-0676): Microsoft Internet Explorer Information Disclosure Vulnerability. Medium, CVSS 6.5, chance of use in 30 days 7.5%, known exploited since 23 May 2022.
- [CVE-2014-4113](https://www.edgeprotect.io/what-is/cve-2014-4113): Microsoft Win32k Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 87%, known exploited since 4 May 2022.
- [CVE-2022-26904](https://www.edgeprotect.io/what-is/cve-2022-26904): Microsoft Windows User Profile Service Privilege Escalation Vulnerability. High, CVSS 7.0, chance of use in 30 days 9.8%, known exploited since 25 April 2022.
- [CVE-2022-21919](https://www.edgeprotect.io/what-is/cve-2022-21919): Microsoft Windows User Profile Service Privilege Escalation Vulnerability. High, CVSS 7.0, chance of use in 30 days 2.9%, known exploited since 25 April 2022.

## Which Windows 8.1 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):

- [CVE-2015-1635](https://www.edgeprotect.io/what-is/cve-2015-1635): >99%, Critical (CVSS 9.8), known exploited
- [CVE-2017-0147](https://www.edgeprotect.io/what-is/cve-2017-0147): >99%, High (CVSS 7.5), known exploited
- [CVE-2017-0148](https://www.edgeprotect.io/what-is/cve-2017-0148): >99%, High (CVSS 8.1), known exploited
- [CVE-2017-0144](https://www.edgeprotect.io/what-is/cve-2017-0144): >99%, High (CVSS 8.8), known exploited
- [CVE-2015-0014](https://www.edgeprotect.io/what-is/cve-2015-0014): 97%, Critical (CVSS 10.0)
- [CVE-2014-6321](https://www.edgeprotect.io/what-is/cve-2014-6321): 96%, Critical (CVSS 10.0)
- [CVE-2015-0313](https://www.edgeprotect.io/what-is/cve-2015-0313): 96%, Critical (CVSS 9.8), known exploited
- [CVE-2014-6332](https://www.edgeprotect.io/what-is/cve-2014-6332): 95%, High (CVSS 8.8), known exploited
- [CVE-2015-5122](https://www.edgeprotect.io/what-is/cve-2015-5122): 94%, Critical (CVSS 9.8), known exploited
- [CVE-2017-0143](https://www.edgeprotect.io/what-is/cve-2017-0143): 93%, High (CVSS 8.8), known exploited

## Questions

### How many vulnerabilities does Windows 8.1 have?

We track 2,876 published vulnerabilities listed under the name Windows 8.1, across 2 versions. The most recent Windows 8.1 flaw added to the known-exploited list is CVE-2013-3918, on 6 October 2025.

### Which Windows 8.1 vulnerabilities are being exploited?

149 are on the list of flaws known to be exploited. The most recently added are CVE-2013-3918, CVE-2021-43226 and CVE-2018-8639.

### Which versions of Windows 8.1 do the exploited flaws affect?

Each flaw names its own versions, usually as ranges. The newest, CVE-2022-38028, affects before 6.3.9600.20625. The versions for every exploited flaw are listed on this page.

### How do I get alerts for Windows 8.1?

Create a EdgeProtect account and track Windows 8.1. 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.

## Running Windows 8.1?

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