CVE-2026-69276
Microsoft UxTheme Library (uxtheme.dll) Remote Code Execution vulnerability
MSRC advisory September 8, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-69276
- Affected products
- Microsoft UxTheme Library (uxtheme.dll) Remote Code Execution · Microsoft Microsoft UxTheme Library (uxtheme.dll) Remote Code Execution · Microsoft
What happened
<p>Integer underflow (wrap or wraparound) in Microsoft UxTheme Library (uxtheme.dll) allows an unauthorized attacker to execute code over a network.</p>
What it means for your business
Microsoft UxTheme Library (uxtheme.dll) Remote Code Execution vulnerability (CVE-2026-69276) was added to Microsoft’s security update guidance. <p>Integer underflow (wrap or wraparound) in Microsoft UxTheme Library (uxtheme.dll) allows an unauthorized attacker to execute code over a network.</p> If you need help checking exposure, call (864) 335-9223.
Sources
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