CVE-2026-0293

Protected process access via anti-tamper bypass

Published Aug 13, 2026 · Updated Aug 13, 2026

Protection mechanism failure in Palo Alto Networks Prisma Access Agent before 26.3 on Windows allows local users to bypass anti-tamper protection. Palo Alto Networks has not published the vulnerable code locus or the incorrect operation that defeats the protection. The bypass requires local administrator privileges and no special configuration, and it permits unauthorized access to agent-protected processes and files.

CVSS severity8.3
High
EPSS probability0.11%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Protection mechanism failure in Palo Alto Networks Prisma Access Agent before 26.3 on Windows allows local users to bypass anti-tamper protection. Palo Alto Networks has not published the vulnerable code locus or the incorrect operation that defeats the protection. The bypass requires local administrator privileges and no special configuration, and it permits unauthorized access to agent-protected processes and files.

The record

CVE
CVE-2026-0293
Published
Aug 13, 2026
Updated
Aug 13, 2026
Vendor
Palo Alto Networks
Product
Prisma Access Agent
Classifications
CWE-693, CAPEC-159, T1562.001
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Aug 13, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 13, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <26.3 changes=[{"at":"26.3","status":"unaffected"}]

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Palo Alto Networks · Prisma Access Agentversion=0 <26.3 changes=[{"at":"26.3","status":"unaffected"}]

Published CVSS scores

8.3Palo Alto NetworksCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
5.6Palo Alto NetworksCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-693Protection Mechanism Failure
CAPEC-159Redirect Access to Libraries
T1562.001Impair Defenses: Disable or Modify Tools

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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