Microsoft Exchange Server Elevation of Privilege Vulnerability

22.000 Exchange-servers missen update voor kritiek beveiligingslek

Zo'n 22.000 Microsoft Exchange-servers, waarvan ruim vijfhonderd in Nederland, missen een update voor een kritiek ...

NCSC: Grote kans op misbruik en schade door kritiek Exchange-lek

Het Nationaal Cyber Security Centrum (NCSC) waarschuwt organisaties dat er een grote kans is op misbruik van een kritieke ...

Microsoft Patchdinsdag: Misbruikt Windows-lek, kritieke updates Office en Exchange

Tijdens de patchdinsdag van augustus heeft Microsoft updates voor honderden kwetsbaarheden uitgebracht, waaronder voor een ...

Microsoft Patch Tuesday August 2026

Microsoft’s August 2026 Patch Tuesday is another substantial security release, addressing 421 vulnerabilities across Windows, Office, Azure, Exchange Server, SharePoint Server, developer tooling and other Microsoft products. More importantly, the…

Microsoft Patch Tuesday for August 2026 — Snort rules and prominent vulnerabilities

Microsoft has released its monthly security update for August 2026, which includes 421 vulnerabilities affecting a range of products, including 62 that Microsoft marked as "critical."

Patch Tuesday - August 2026

Microsoft is publishing 421 vulnerabilities on August 2026 Patch Tuesday, including 236 vulnerabilities in Windows. This is lower volume than last month’s record-breaking behemoth, but still one of the largest Patch Tuesday totals ever. There is no reason to suppose that Patch Tuesday will ever return to the lower volumes we saw prior to 2026. Microsoft is aware of exploitation in the wild for one of the vulnerabilities published today, as well as public disclosure for two others, although the Notable CVEs section of the Security Update Guide omits one of these. As usual, browser vulns are not

August 2026 Patch Tuesday: One Exploited Zero-Day and 62 Critical Vulnerabilities Among 415 CVEs