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CVE Record

CVE-2022-26113: An execution with unnecessary privileges vulnerability [CWE-250] in FortiClientWindows 7.0.0 through 7.0.3,...

An execution with unnecessary privileges vulnerability [CWE-250] in FortiClientWindows 7.0.0 through 7.0.3, 6.4.0 through 6.4.7, 6.2.0 through 6.2.9, 6.0.0 through 6.0.10 may allow a local attacker to perform an arbitrary file write on the system.

HighCVSS 7.7Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

FortiClientWindows versions in several 6.x and 7.0 releases can run with more privilege than necessary, allowing a local attacker to write arbitrary files. This affects endpoint integrity and availability, not confidentiality per the CVSS vector.

Executive priority

Treat this as a high-priority endpoint hygiene issue. It is not described as remotely exploitable or actively exploited in the provided sources, but arbitrary file write on security software can materially affect system trust.

Technical view

CVE-2022-26113 is a CWE-250 unnecessary-privilege issue in FortiClientWindows. A local attacker may perform arbitrary file writes on affected systems. The CVSS 3.1 score is 7.7 with low attack complexity, no user interaction, and high integrity and availability impact.

Likely exposure

Exposure is limited to Windows endpoints running FortiClientWindows 7.0.0-7.0.3, 6.4.0-6.4.7, 6.2.0-6.2.9, or 6.0.0-6.0.10.

Exploitation context

The bundle does not show CISA KEV listing or cited evidence of active exploitation. The attack is local, not remote, but the CVSS vector indicates low complexity and no user interaction once local access exists.

Researcher notes

Evidence is narrow: the public bundle identifies affected FortiClientWindows ranges, local arbitrary file write, CVSS details, and Fortinet PSIRT reference. It does not include exploit mechanics, proof-of-concept details, or explicit fix versions.

Mitigation direction

  • Inventory FortiClientWindows versions across Windows endpoints.
  • Check Fortinet PSIRT FG-IR-22-044 for fixed versions or vendor mitigation guidance.
  • Prioritize upgrades for shared, high-value, and administrator-used workstations.
  • Restrict local interactive access where affected versions remain installed.
  • Monitor vendor advisories for any exploitation or remediation updates.

Validation and detection

  • Confirm installed FortiClientWindows versions against the affected version ranges.
  • Verify whether Fortinet guidance identifies an available fixed release.
  • Review endpoint controls for unauthorized local file-write behavior.
  • Check vulnerability scanner results for CVE-2022-26113 coverage.
  • Document exceptions where upgrade timing depends on vendor guidance.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

File access behavior lookup

The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2022-26113 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
7.7 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H/E:F/RL:U/RC:C

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.7CVSS 3.1HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H/E:F/RL:U/RC:C2.55.2Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.7High
CVSS 3.1 vector shape for CVE-2022-26113Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H/E:F/RL:U/RC:C

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
FortinetFortinet FortiClientWindowsFortiClientWindows 7.0.0 through 7.0.3, 6.4.0 through 6.4.7, 6.2.0 through 6.2.9, 6.0.0 through 6.0.10Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.