CVE-2026-20958

MediumCVSS 5.4/10Last modified Jun 17, 2026

Description

Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jan 13, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-209595.4Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attCVE-2026-20969.8Agentflow developed by Flowring has a Missing Authentication vulnerability, allowing unauthenticated remote attackers to read, modify, and dCVE-2026-209608.0Improper authorization in Microsoft Power Apps allows an authorized attacker to execute code over a network.CVE-2026-209624.4Use of uninitialized resource in Dynamic Root of Trust for Measurement (DRTM) allows an authorized attacker to disclose information locally.CVE-2026-209639.8Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.CVE-2026-209657.5Improper verification of cryptographic signature in Windows Admin Center allows an authorized attacker to elevate privileges locally.CVE-2026-209678.8Improper input validation in System Center Operations Manager allows an authorized attacker to elevate privileges over a network.CVE-2026-209686.7Use after free in DualDAR prior to SMR Jan-2026 Release 1 allows local privileged attackers to execute arbitrary code.CVE-2026-209695.5Improper input validation in SecSettings prior to SMR Jan-2026 Release 1 allows local attacker to access file with system privilege. User inCVE-2026-20978.8Agentflow developed by Flowring has an Arbitrary File Upload vulnerability, allowing authenticated remote attackers to upload and execute weCVE-2026-209707.8Improper access control in SLocation prior to SMR Jan-2026 Release 1 allows local attackers to execute the privileged APIs.CVE-2026-209717.8Use After Free in PROCA driver prior to SMR Jan-2026 Release 1 allows local attackers to potentially execute arbitrary code.
CVE-2026-20958: Medium severity, CVSS 5.4 | Vulnix