CVE-2026-45606: Microsoft UxTheme Library (uxtheme.dll) Denial of Service Vulnerability
Out-of-bounds read in Microsoft UxTheme Library (uxtheme.dll) allows an authorized attacker to deny service locally.
CSIRTS triage
- What
- An out-of-bounds read in the UxTheme Library allows an authorized attacker to deny service locally.
- Who is affected
- Users of the UxTheme Library are affected by this vulnerability.
- Urgency
- Remediation is necessary to prevent potential service disruption.
- Action
- Users should apply the necessary updates to the UxTheme Library.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45606
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-456060.38% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-45606 | coverage & exploitation status | NVD · CVE.org |
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