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

FORM 10-D

ASSET BACKED ISSUER
DISTRIBUTION REPORT PURSUANT TO SECTION 13 OR 15(d) OF
THE SECURITIES EXCHANGE ACT OF 1934

For the monthly distribution period from: April 18, 2026 to May 15, 2026

Commission File Number of issuing entity: 333-207567-05

Central Index Key Number of issuing entity: 0001703075

CFCRE 2017-C8 Mortgage Trust
(Exact name of issuing entity as specified in its charter)

Commission File Number of depositor: 333-207567

Central Index Key Number of depositor: 0001515166

CCRE Commercial Mortgage Securities, L.P.
(Exact name of depositor as specified in its charter)

Central Index Key Number of sponsor (if applicable): 0001558761

Cantor Commercial Real Estate Lending, L.P.
(Exact name of sponsor as specified in its charter)

Central Index Key Number of sponsor (if applicable): 0001592182

LMF Commercial, LLC (formerly known as Rialto Mortgage Finance, LLC)
(Exact name of sponsor as specified in its charter)

Central Index Key Number of sponsor (if applicable): 0001685185

UBS AG New York Branch
(Exact name of sponsor as specified in its charter)

Christian Wall (212) 829-5417
(Name and telephone number, including area code, of the person to contact in connection with this filing)

New York
(State or other jurisdiction of incorporation or organization of the issuing entity)

38-4032153
38-4032154
38-7187247
(I.R.S. Employer Identification No.)

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)

(667) 786-1992
(Telephone number, including area code)

Not Applicable
(Former name, former address, if changed since last report)

Registered/reporting pursuant to (check one)

Title of Class	Section 12(b)	Section 12(g)	Section 15(d)	Name of Exchange (If Section 12(b))
A-1			X
A-2			X
A-SB			X
A-3			X
A-4			X
X-A			X
X-B			X
X-C			X
A-M			X
B			X
C			X

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes X No

Part I - DISTRIBUTION INFORMATION

Item 1. Distribution and Pool Performance Information.

On May 15, 2026 a distribution was made to holders of the certificates issued by CFCRE 2017-C8 Mortgage Trust.

The distribution report is attached as an Exhibit to this Form 10-D, please see Item 10(b), Exhibit 99.1 for the related information.

The following table presents the loss information for the trust assets for the CFCRE 2017-C8 Mortgage Trust in accordance with Item 1100(b) as required by Item 1121(a)(9) of Regulation AB:

Loss Information as reported on May 15, 2026

Number of Delinquencies 30+ days	% of Delinquencies 30+ days by Pool Balance	Number of Loans/REOs with Losses	Average Net Loss
0	N/A	5	$2,745,767.92

No assets securitized by CCRE Commercial Mortgage Securities, L.P. (the "Depositor") and held by CFCRE 2017-C8 Mortgage Trust were the subject of a demand to repurchase for breach of the representations and warranties contained in the underlying transaction documents during the distribution period from April 18, 2026 to May 15, 2026.

The Depositor has filed a Form ABS-15G pursuant to Rule 15Ga-1 under the Securities Exchange Act of 1934 on January 8, 2026. The CIK number of the Depositor is 0001515166.

Cantor Commercial Real Estate Lending, L.P. ("CCREL"), one of the sponsors, has filed a Form ABS-15G pursuant to Rule 15Ga-1 under the Securities Exchange Act of 1934 on January 8, 2026. The CIK number of CCREL is 0001558761.

LMF Commercial, LLC (formerly known as Rialto Mortgage Finance, LLC) ("LMF"), one of the sponsors, most recently filed a Rule 15Ga 1 Form ABS-15G on May 7, 2026. The Central Index Key number for LMF is 0001592182.

UBS AG New York Branch ("UBS AG"), one of the sponsors, has filed a Form ABS-15G pursuant to Rule 15Ga-1 under the Securities Exchange Act of 1934 on February 12, 2026. The CIK number of UBS AG is 0001685185.

Item 1A. Asset-Level Information.

ABS Asset Data File (filed as Exhibit 102 to the registrant's Form ABS-EE filed on May 26, 2026 under Commission File No. 333-207567-05 and incorporated by reference herein).

ABS Asset Related Document (filed as Exhibit 103 to the registrant's Form ABS-EE filed on May 26, 2026 under Commission File No. 333-207567-05 and incorporated by reference herein).

Part II - OTHER INFORMATION

Item 10. Exhibits.

(a) The following is a list of documents filed as part of this Report on Form 10-D:

(99.1) Monthly report distributed to holders of the certificates issued by CFCRE 2017-C8 Mortgage Trust, relating to the May 15, 2026 distribution.

(102) ABS Asset Data File (filed as Exhibit 102 to the registrant's Form ABS-EE filed on May 26, 2026 under Commission File No. 333-207567-05 and incorporated by reference herein).

(103) ABS Asset Related Document (filed as Exhibit 103 to the registrant's Form ABS-EE filed on May 26, 2026 under Commission File No. 333-207567-05 and incorporated by reference herein).

(b) The exhibits required to be filed by the Registrant pursuant to this Form are listed above.

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 thereunto duly authorized.

CCRE Commercial Mortgage Securities, L.P.
(Depositor)

/s/ Christian Wall
Christian Wall, Chief Executive Officer

Date: May 26, 2026

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

FORM 10-D

ASSET BACKED ISSUER DISTRIBUTION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Registered/reporting pursuant to (check one)

Loss Information as reported on May 15, 2026

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

ASSET BACKED ISSUER
DISTRIBUTION REPORT PURSUANT TO SECTION 13 OR 15(d) OF
THE SECURITIES EXCHANGE ACT OF 1934

CFCRE 2017-C8 Mortgage Trust 10-D