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9.1
CRITICAL CVSS 3.1
CVE-2025-10263
Arm Vulnerability: Privilege Escalation
Overview
Description

Arm C1-Ultra, C1-Premium, Neoverse V3 & V3AE, Neoverse V2, Neoverse V1, Neoverse-N2, Neoverse-N1, Cortex-X925, Cortex-X4, Cortex-X3, Cortex-X2, Cortex-X1 & X1C, Cortex-A710, Cortex-A78, A78AE & A78C, Cortex-A77, Cortex-A76 & A76A may allow writes to resources owned by a higher exception level.

Details
INFO

Published Date :

June 9, 2026, 10:16 a.m.

Last Modified :

June 9, 2026, 5:16 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Impact
Affected Products

The following products are affected by CVE-2025-10263 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.

ID Vendor Product Action
1 Arm cortex-a77_firmware
2 Arm cortex-a78_firmware
3 Arm cortex-a78ae_firmware
4 Arm neoverse_n2_firmware
5 Arm cortex-x1_firmware
6 Arm cortex-x2_firmware
7 Arm cortex-a710_firmware
8 Arm cortex-a76
9 Arm cortex-a76ae
10 Arm cortex-a77
11 Arm cortex-a78
12 Arm cortex-a78ae
13 Arm neoverse_n1
14 Arm neoverse_n2
15 Arm cortex-x1
16 Arm cortex-a78c
17 Arm cortex-x2
18 Arm cortex-a710
19 Arm c1-premium_firmware
20 Arm c1-premium
21 Arm c1-ultra_firmware
22 Arm c1-ultra
23 Arm cortex-x3_firmware
24 Arm cortex-x3
25 Arm cortex-x4_firmware
26 Arm cortex-x4
27 Arm cortex-x925_firmware
28 Arm cortex-x925
29 Arm cortex-x1c_firmware
30 Arm cortex-x1c
: Total Affected Vendor : 1 | Products : 30
Scoring
CVSS Scores
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 3.1 CRITICAL 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Update affected Arm processors to prevent unauthorized resource access.
  • Update Arm processors to the latest microcode.
  • Apply recommended configuration changes.
  • Consult vendor for specific patches.
References
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-10263.

URL Resource
https://developer.arm.com/documentation/112137
http://www.openwall.com/lists/oss-security/2026/06/09/13
http://xenbits.xen.org/xsa/advisory-493.html
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-10263 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

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-2025-10263 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-2025-10263 vulnerability anywhere in the article.

  • The Hacker News
Microsoft Patches Record 206 Flaws, Including Three Zero-Days and Critical RCE Bugs

Microsoft on Tuesday released fixes for a record 206 security vulnerabilities impacting its software portfolio, including three flaws that have been publicly disclosed at the time of release. Of the 2 ... Read more

Published Date: Jun 10, 2026 (2 weeks, 5 days ago)
  • Zero Day Initiative
The June 2026 Security Update Review

CVE Title Severity CVSS Public Exploited XI Type CVE-2026-41091 Microsoft Defender Elevation of Privilege Vulnerability Important 7.8 Yes Yes 0 EoP CVE-2026-49160 HTTP.sys Denial of Service Vulnerabil ... Read more

Published Date: Jun 09, 2026 (2 weeks, 6 days ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-10263 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.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Jun. 09, 2026

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2026/06/09/13
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 09, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Jun. 09, 2026

    Action Type Old Value New Value
    Added Reference http://xenbits.xen.org/xsa/advisory-493.html
  • New CVE Received by [email protected]

    Jun. 09, 2026

    Action Type Old Value New Value
    Added Description Arm C1-Ultra, C1-Premium, Neoverse V3 & V3AE, Neoverse V2, Neoverse V1, Neoverse-N2, Neoverse-N1, Cortex-X925, Cortex-X4, Cortex-X3, Cortex-X2, Cortex-X1 & X1C, Cortex-A710, Cortex-A78, A78AE & A78C, Cortex-A77, Cortex-A76 & A76A may allow writes to resources owned by a higher exception level.
    Added CWE CWE-362
    Added Reference https://developer.arm.com/documentation/112137
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.
CVSS
Vulnerability Scoring Details
Base CVSS Score: 9.1
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact