CVE-2026-53196: USB: serial: io_ti: fix heap overflow in get_manuf_info()
CSIRTS triage
- What
- There is a heap overflow vulnerability in the get_manuf_info function.
- Who is affected
- Users of the USB serial driver are affected.
- Urgency
- Remediation is urgent due to the high severity of the vulnerability with a CVSS score of 7.8.
- Action
- Apply the patch that fixes the heap overflow issue.
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-2026-53196
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-2026-531960.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-53196 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for USB
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- unknownCVE-2026-79211: Incorrect authorization in USB in Google Chrome prior to 152.0.7977.65 allowed a remote attack…nvd · 2026-08-25
- unknownCVE-2026-78911: Incorrect authorization in USB in Google Chrome prior to 152.0.7977.65 allowed a remote attack…nvd · 2026-08-25
- unknownCVE-2026-74682: In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: fix OOB w…nvd · 2026-08-22
- unknownCVE-2026-74681: In the Linux kernel, the following vulnerability has been resolved: usb: misc: usbio: check ib…nvd · 2026-08-22
- unknownCVE-2026-74680: In the Linux kernel, the following vulnerability has been resolved: usb: atm: cxacru: properly…nvd · 2026-08-22
- unknownCVE-2026-74679: In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_ncm: Use un…nvd · 2026-08-22
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