SecuriTricks - CVE-2026-46722

Description

The OOXML parsing of the file indexer does not disable external entity resolution. A crafted xlsx or pptx document placed in an indexed directory can cause local files to be read or outbound HTTP requests to be performed, with the retrieved content being written to the search index.

Product(s) Impacted

Vendor	Product	Versions
Microsoft	Office Excel Powerpoint	* * *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-611

Improper Restriction of XML External Entity Reference

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	microsoft	office	/	/	/	/	/	/	/	/
a	microsoft	excel	/	/	/	/	/	/	/	/
a	microsoft	powerpoint	/	/	/	/	/	/	/	/

References

https://typo3.org/security/advisory/typo3-ext-sa-2026-011

CVSS Score

5.9 / 10

CVSS Data - 4.0

Attack Vector: NETWORK
Attack Complexity: LOW
Attack Requirements: PRESENT
Privileges Required: HIGH
User Interaction: NONE
Scope:
Confidentiality Impact: HIGH
Integrity Impact: NONE
Availability Impact: NONE
Exploit Maturity: NOT_DEFINED

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

View Vector String

Timeline

Published: May 19, 2026, 10:16 a.m.
Last Modified: May 19, 2026, 2:47 p.m.

Status : Deferred

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

f4fb688c-4412-4426-b4b8-421ecf27b14a

CVE-2026-46722