Skip to main content
VulnerabilityPublished Updated

CVE-2026-70084: Microsoft Windows 10 Version 1809 · Path Traversal

Affects Microsoft Windows 10 Version 1809Source CVE Database V5

0

Not known to be exploited · CVSS 5.5 Medium : upgrade to 10.0.17763.9376 when convenient.

Data as of 26 Oct 2026, 13:47 UTC

CVSS 3.1 base score
5.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 42% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 10.0.17763.9376, 10.0.19044.7807, 10.0.19045.7807 +7
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 13 Oct 2026

  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 26 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
MicrosoftWindows 10 Version 1809Affected
  • >=10.0.17763.0 <10.0.17763.9376
Fixed in
  • 10.0.17763.9376
MicrosoftWindows 10 Version 21H2Affected
  • >=10.0.19044.0 <10.0.19044.7807
Fixed in
  • 10.0.19044.7807
MicrosoftWindows 10 Version 22H2Affected
  • >=10.0.19045.0 <10.0.19045.7807
Fixed in
  • 10.0.19045.7807
MicrosoftWindows 11 version 23H2Affected
  • >=10.0.22631.0 <10.0.22631.7652
Fixed in
  • 10.0.22631.7652
MicrosoftWindows 11 Version 23H2Affected
  • >=10.0.22631.0 <10.0.22631.7652
Fixed in
  • 10.0.22631.7652
MicrosoftWindows 11 Version 24H2Affected
  • >=10.0.26100.0 <10.0.26100.9711
Fixed in
  • 10.0.26100.9711

AI-suggested

An official fix is available from Microsoft for all affected Windows 10 versions. Users and administrators should apply the relevant security updates as provided in the Microsoft Security Update Guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70084 to remediate this vulnerability.

Description

Improper access control in Windows Projected File System allows an authorized attacker to disclose information locally.

References

Community reviews

Loading reviews…