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VulnerabilityPublished Updated

CVE-2026-45602: Microsoft Windows 10 Version 1607 · Acceptance of Extraneous Untrusted Data With Trusted Data

Affects Microsoft Windows 10 Version 1607Source CVE Database V5

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Not known to be exploited · CVSS 9.1 Critical : upgrade to 10.0.14393.9234 as a priority.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
9.1Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 30% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 10.0.14393.9234, 10.0.17763.8880, 10.0.19044.7417 +9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Jun 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: 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 30 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
MicrosoftWindows 10 Version 1607Affected
  • >=10.0.14393.0 <10.0.14393.9234
Fixed in
  • 10.0.14393.9234
MicrosoftWindows 10 Version 1809Affected
  • >=10.0.17763.0 <10.0.17763.8880
Fixed in
  • 10.0.17763.8880
MicrosoftWindows 10 Version 21H2Affected
  • >=10.0.19044.0 <10.0.19044.7417
Fixed in
  • 10.0.19044.7417
MicrosoftWindows 10 Version 22H2Affected
  • >=10.0.19045.0 <10.0.19045.7417
Fixed in
  • 10.0.19045.7417
MicrosoftWindows 11 version 23H2Affected
  • >=10.0.22631.0 <10.0.22631.7219
Fixed in
  • 10.0.22631.7219
MicrosoftWindows 11 Version 23H2Affected
  • >=10.0.22631.0 <10.0.22631.7219
Fixed in
  • 10.0.22631.7219

AI-suggested

An official fix is available from Microsoft for this vulnerability. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45602 to remediate this issue.

Description

No cwe for this issue in Windows DHCP Server allows an unauthorized attacker to perform tampering over a network.

References

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