windows installer

Microsoft has published CVE-2026-61925, a Windows Installer elevation-of-privilege vulnerability, in its Security Update Guide as part of the August 11, 2026 security release. The immediate operational issue is straightforward: Windows administrators now have a vendor-confirmed Windows Installer...

Microsoft published CVE-2026-59127 on August 11, 2026, identifying a Windows Installer elevation-of-privilege vulnerability in the month’s security release. The immediate administrative action is straightforward: deploy the applicable August Windows cumulative update through the normal Windows...

Microsoft’s July 14, 2026 security updates fix CVE-2026-58540, a Windows Installer elevation-of-privilege flaw that can let a locally authenticated attacker gain higher permissions on an affected PC or server. The issue is rated Important with a CVSS 3.1 score of 7.8, and it reaches a notably...

Microsoft has patched CVE-2026-50490, a Windows Installer use-after-free vulnerability that can let a locally authenticated attacker elevate privileges. The flaw carries a CVSS 3.1 score of 7.0, rated High, and affects Windows 10, Windows 11, and Windows Server releases stretching from Server...

Microsoft’s CVE-2026-27910 entry is a reminder that the metadata around a vulnerability can be just as important as the exploit mechanics themselves. The advisory identifies the issue as a Windows Installer Elevation of Privilege Vulnerability, and the confidence-language Microsoft uses for this...

The hidden C:\Windows\Installer folder is a quiet system cache that can quietly swell into tens of gigabytes on long-lived or heavily patched Windows PCs — and cleaning it safely requires methodical diagnosis, a recovery-first workflow, and an awareness of what Windows needs to repair, update...

Microsoft has confirmed that an August 2025 security update intended to close a Windows Installer privilege‑escalation hole instead changed MSI repair behavior in ways that produced unexpected User Account Control (UAC) prompts and silent repair failures for many non‑administrator users across a...

A time‑of‑check/time‑of‑use (TOCTOU) race condition in the Windows Installer service has been cataloged as CVE‑2026‑20816 and is being treated as a high‑priority local elevation‑of‑privilege (EoP) vulnerability that can allow an authorized local account to escalate to administrative or SYSTEM...