Skip to main content
CVE-2025-48820VulnerabilityPublished Updated

CVE-2025-48820: Microsoft Windows 10 Version 1507 · Link Following

Affects Microsoft Windows 10 Version 1507Source CVE Database V5

0

Not known to be exploited · CVSS 7.8 High.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 40% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 Jul 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
Microsoft Windows 10 Version 1507Affected
  • =10.0.10240.0
Fixed in–

AI-suggested

1. Immediately inventory and identify all systems running Windows 10 Version 1507 within the organization. 2. Apply any available security patches or updates from Microsoft as soon as they are released addressing CVE-2025-48820. 3. If patches are not yet available, implement strict access controls to limit local user accounts and reduce the number of users with local access privileges. 4. Employ application whitelisting and endpoint protection solutions to detect and block suspicious activities related to the AppX Deployment Service. 5. Monitor system logs and security events for unusual file access patterns or privilege escalation attempts involving the AppX Deployment Service. 6. Consider upgrading affected systems to a supported and fully patched version of Windows 10 or later to eliminate exposure to this vulnerability. 7. Educate users and administrators about the risks of local privilege escalation and enforce the principle of least privilege. 8. Use network segmentation to isolate legacy systems and reduce the risk of lateral movement if a system is compromised. 9. Regularly review and update security policies to ensure timely response to emerging vulnerabilities.

Description

Improper link resolution before file access ('link following') in Windows AppX Deployment Service allows an authorized attacker to elevate privileges locally.

References

Community reviews

Loading reviews…