CVE-2026-28253highCWE-789

CVE-2026-28253: high-severity vulnerability in Trane Tracer SC

Memory Allocation with Excessive Size Value vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.7epss 0.4%
A Memory Allocation with Excessive Size Value vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an unauthenticated attacker to cause a denial-of-service condition
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Affected products
Trane · Tracer ConciergeTrane · Tracer SCTrane · Tracer SC+
Related CVEs — Trane Tracer SC

In the same product, most dangerous first.

CVE-2021-38450CRITICALTrane Tracer Code InjectionEPSS 1.0%CVE-2021-42534MEDIUMTrane Building Automation Controllers Cross-site ScriptingEPSS 0.6%CVE-2026-28255HIGHUse of Hard-coded Credentials vulnerability in Trane Tracer SC, Tracer SC+, and Tracer ConciergeEPSS 0.3%CVE-2026-28254MEDIUMMissing Authorization vulnerability in Trane Tracer SC, Tracer SC+, and Tracer ConciergeEPSS 0.3%CVE-2026-28256MEDIUMUse of Hard-coded Credentials vulnerability in Trane Tracer SC, Tracer SC+, and Tracer ConciergeEPSS 0.3%CVE-2026-28252CRITICALUse of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer ConciergeEPSS 0.2%