High 8.7Published Mar 12, 2026

CVE-2026-28253Memory Allocation with Excessive Size Value vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge

Updated under an hour ago (Oct 26, 2026, 2:23 PM ET)

Does this affect you?

It affects Trane Tracer SC and 4 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Trane Tracer SC

Exploited in the last 30 days

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: 8.7 HIGH (v4.0, CNA)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
Weakness (CWE): CWE-789
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: icscert
NVD analysis: Analyzed
Record last updated: Mar 13, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Trane Tracer SC trane:tracer_sc (from the name)	before v4.4 SP7	CNA record
Trane Tracer SC+ trane:tracer_sc+ (from the name)	before v6.3.2310	CNA record
Trane Tracer Concierge trane:tracer_concierge (from the name)	before v6.3.2310	CNA record
trane tracer_sc_firmware trane:tracer_sc_firmware	through 4.4; 4.4; 4.4; 4.4; 4.4; 4.4; 4.4	NVD
trane tracer_sc+_firmware trane:tracer_sc+_firmware	before 6.3.2310	NVD
trane tracer_concierge trane:tracer_concierge	before 6.3.2310	NVD

References

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-071-01	government-resource, third-party-advisory, us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.