12 August 2026
Reference: CVE-2026-68820
1. What is being reported?
Researchers and security agencies have identified a vulnerability in a part of Windows that handles network functions. This flaw, called a 'use after free,' can let an attacker who already has some access to a computer gain higher privileges, meaning they can do more damage or access sensitive information.
2. What this means in plain English
If someone can get onto your Windows computer, this flaw could let them take over more of the system than they should. This could lead to data loss, disruption, or further attacks. Small organisations without strong security measures could be at risk if their devices are exposed.
3. Could this affect a small business?
Any small business, charity, club, or similar organisation using Windows computers could be affected, especially if those devices are connected to the internet or shared networks. If your organisation uses Windows but keeps devices offline or well protected, the risk is lower. However, it is best to check with your IT provider.
4. What to do now
- Contact your IT provider or software supplier immediately to confirm if your Windows devices are affected.
- Apply all available security updates and patches for Windows as soon as possible following vendor instructions.
- Review your organisation’s network exposure and limit unnecessary internet access to Windows devices.
- Ensure you have recent backups of important data in case of an incident.
5. Ask your IT provider
Can you confirm if our Windows devices are affected by the CVE-2026-68820 vulnerability and have all necessary patches or mitigations been applied?
6. Bottom line
Act quickly to update Windows systems to prevent attackers from gaining higher control of your computers.
Information based on CISA KEV, NVD, and reputable security news reports.