UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

October 29, 2025
Date of Report (Date of Earliest Event Reported)

Central Index Key Number of the issuing entity: 0001719195
UBS Commercial Mortgage Trust 2017-C5
(Exact name of issuing entity)

Central Index Key Number of the registrant: 0001532799
UBS Commercial Mortgage Securitization Corp.
(Exact name of registrant as specified in its charter)

Central Index Key Number of the sponsor: 0001685185
UBS AG
(Exact name of sponsor as specified in its charter)

Central Index Key Number of the sponsor: 0001558761
Cantor Commercial Real Estate Lending, L.P.
(Exact name of sponsor as specified in its charter)

Central Index Key Number of the sponsor: 0001541468
Ladder Capital Finance LLC
(Exact name of sponsor as specified in its charter)

Central Index Key Number of the sponsor: 0001542256
Natixis Real Estate Capital LLC
(Exact name of sponsor as specified in its charter)

Central Index Key Number of the sponsor: 0001238163
Société Générale, New York Branch
(Exact name of sponsor as specified in its charter)

Central Index Key Number of the sponsor: 0001592182
LMF Commercial, LLC (formerly known as Rialto Mortgage Finance, LLC)
(Exact name of sponsor as specified in its charter)

New York		333-207340-05		38-4046743 38-4046744 38-7187347
(State or other jurisdiction of incorporation of issuing entity)		(Commission File Number of issuing entity)		(I.R.S. Employer Identification Numbers)

c/o Computershare Trust Company, N.A., as agent for
Wells Fargo Bank, National Association
9062 Old Annapolis Road
Columbia, MD 21045
(Address of principal executive offices of the issuing entity) (Zip Code)

(212) 713-8832
Registrant's Telephone number, including area code

Former name or former address, if changed since last report: Not Applicable

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act(17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act(17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

☐ Emerging growth company

☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised Financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

Item 6.04 Failure to Make a Required Distribution.

The Certificate Administrator made distributions to the Certificateholders on the October 20, 2025 Distribution Date. The Certificate Administrator was subsequently notified by the Master Servicer on October 29, 2025 of receipt of a curtailment payment on the AHIP Northeast Portfolio III Mortgage Loan (Loan Number 15 on Annex A-1 of the prospectus of the registrant relating to the issuing entity filed on November 16, 2017 pursuant to Rule 424(b)(2)). This resulted in an additional principal payment to the Class A-SB Certificateholders in an amount equal to $66,132.41 and an additional principal payment to the Class A-4 Certificateholders in an amount equal to $2,532,351.19. The additional principal payments were made to the Class A-SB and Class A-4 Certificateholders on October 31, 2025.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

UBS Commercial Mortgage Securitization Corp.
(Depositor)

/s/ Nicholas Galeone
Nicholas Galeone, President

Date: October 31, 2025

/s/ Andrew Lisa
Andrew Lisa, Executive Director

Date: October 31, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549

FORM 8-K

CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington D.C. 20549

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UBS Commercial Mortgage Trust 2017-C5 8-K