CVE-2026-20640
MEDIUMDescription
An inconsistent user interface issue was addressed with improved state management. This issue is fixed in iOS 26.3 and iPadOS 26.3. An attacker with physical access to iPhone may be able to take and view screenshots of sensitive data from the iPhone during iPhone Mirroring with Mac.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploit Intelligence
Low risk: more likely to be exploited than 5% of all known CVEs.
References
Related Vulnerabilities
Other CWE-703 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2024-21894 | Critical | 9.8 | 19% | - | - |
| CVE-2025-59538 | High | 7.5 | 8.3% | - | Fix |
| CVE-2019-5031 | High | 8.8 | 6.0% | - | - |
| CVE-2023-49786 | High | 7.5 | 5.3% | - | Fix |
| CVE-2024-10781 | High | 8.1 | 3.8% | - | Fix |
| CVE-2024-22052 | High | 7.5 | 3.8% | - | - |
Common questions
How do I fix CVE-2026-20640?
Update iOS to 26.3 or later.
Is CVE-2026-20640 being actively exploited?
Not that we know of. CVE-2026-20640 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.16% is the estimated probability that it will be exploited in the next 30 days. That is higher than 5% of all scored CVEs.
How severe is CVE-2026-20640?
CVE-2026-20640 has a CVSS v3 base score of 4.6, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2026-20640 affect?
Published advisories record a fix for iOS (Apple). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
Embed a live status badge for CVE-2026-20640
Markdown
[](https://tridentstack.com/cve/CVE-2026-20640)HTML
<a href="https://tridentstack.com/cve/CVE-2026-20640"><img src="https://tridentstack.com/cve/badge/CVE-2026-20640.svg" alt="CVE-2026-20640"></a>Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-02-17.