---
title: "Security digests, April 2026"
url: https://erroneo.us/security/archive/2026-04/
description: "Every daily security digest from April 2026: 4 editorial briefs, 31 known exploited (CISA KEV) additions and 173 critical advisories, day by day, with links…"
type: security-archive-month
section: "Security Digest"
date_modified: 2026-04-30
publisher: erroneo.us
author: erroneo.us Security Desk
license: All rights reserved. Quote with attribution and a link.
---

# Security digests, April 2026

- [April 30, 2026](https://erroneo.us/security/2026-04-30/index.md): 1 known exploited (CISA KEV) addition and 4 critical advisories
- [April 29, 2026](https://erroneo.us/security/2026-04-29/index.md): 1 editorial brief and 6 critical advisories
- [April 28, 2026](https://erroneo.us/security/2026-04-28/index.md): 2 known exploited (CISA KEV) additions and 2 critical advisories
- [April 27, 2026](https://erroneo.us/security/2026-04-27/index.md): 7 critical advisories
- [April 25, 2026](https://erroneo.us/security/2026-04-25/index.md): 1 critical advisory
- [April 24, 2026](https://erroneo.us/security/2026-04-24/index.md): 4 known exploited (CISA KEV) additions and 7 critical advisories
- [April 23, 2026](https://erroneo.us/security/2026-04-23/index.md): 1 known exploited (CISA KEV) addition and 5 critical advisories
- [April 22, 2026](https://erroneo.us/security/2026-04-22/index.md): 1 known exploited (CISA KEV) addition and 8 critical advisories
- [April 21, 2026](https://erroneo.us/security/2026-04-21/index.md): 4 critical advisories
- [April 20, 2026](https://erroneo.us/security/2026-04-20/index.md): 8 known exploited (CISA KEV) additions and 1 critical advisory
- [April 17, 2026](https://erroneo.us/security/2026-04-17/index.md): 13 critical advisories
- [April 16, 2026](https://erroneo.us/security/2026-04-16/index.md): 1 known exploited (CISA KEV) addition and 14 critical advisories
- [April 15, 2026](https://erroneo.us/security/2026-04-15/index.md): 14 critical advisories
- [April 14, 2026](https://erroneo.us/security/2026-04-14/index.md): 2 editorial briefs, 2 known exploited (CISA KEV) additions and 7 critical advisories
- [April 13, 2026](https://erroneo.us/security/2026-04-13/index.md): 7 known exploited (CISA KEV) additions and 3 critical advisories
- [April 10, 2026](https://erroneo.us/security/2026-04-10/index.md): 18 critical advisories
- [April 9, 2026](https://erroneo.us/security/2026-04-09/index.md): 1 editorial brief and 3 critical advisories
- [April 8, 2026](https://erroneo.us/security/2026-04-08/index.md): 1 known exploited (CISA KEV) addition and 5 critical advisories
- [April 7, 2026](https://erroneo.us/security/2026-04-07/index.md): 7 critical advisories
- [April 6, 2026](https://erroneo.us/security/2026-04-06/index.md): 1 known exploited (CISA KEV) addition and 4 critical advisories
- [April 3, 2026](https://erroneo.us/security/2026-04-03/index.md): 8 critical advisories
- [April 2, 2026](https://erroneo.us/security/2026-04-02/index.md): 1 known exploited (CISA KEV) addition and 14 critical advisories
- [April 1, 2026](https://erroneo.us/security/2026-04-01/index.md): 1 known exploited (CISA KEV) addition and 18 critical advisories

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Source page: https://erroneo.us/security/archive/2026-04/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt