CVE-2026-106077：Veeam Backup for Microsoft 365 任意檔案讀取漏洞
CVE-2026-106077 - Veeam Backup for Microsoft 365 Arbitrary File Read Vulnerability
Veeam Backup for Microsoft 365 的管理員角色可利用 LocalSystem 許可權隨意讀取備份伺服器檔案，造成資料保密性風險。
管理員可以 LocalSystem 許可權讀取備份檔，威脅保密性。
A vulnerability allowing a user with the Veeam Backup for Microsoft 365 Administrator role to read arbitrary files on the backup server with LocalSystem privileges.
Impact
Affected Products
The following products are affected by CVE-2026-106077
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | HIGH | [email protected] |
Restrict Veeam Backup for Microsoft 365 Administrator role access to prevent arbitrary file reads.
- Apply vendor patches or updates for Veeam Backup for Microsoft 365.
- Limit the Veeam Backup Administrator role privileges.
- Review and restrict file system access controls.
- Monitor for unauthorized file access attempts.
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-106077.
| URL | Resource |
|---|---|
| https://www.veeam.com/kb4957 |
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-106077 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-106077
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-106077 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-106077 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
十月. 27, 2026
Action Type Old Value New Value Added Description A vulnerability allowing a user with the Veeam Backup for Microsoft 365 Administrator role to read arbitrary files on the backup server with LocalSystem privileges. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/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 Added CWE CWE-863 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/106xxx/CVE-2026-106077.json">CVE-2026-106077</a> Added Reference https://www.veeam.com/kb4957
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.