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CVE-2026-43191VulnerabilityPublished Updated

Microsoft · drm/amd/display: Adjust PHY FSM transition to TX_EN-to-PLL_ON for TMDS on DCN35

Affects MicrosoftSource GCVE Database

0
Authoritative record:CVE-2026-43191· Medium

Not known to be exploited · fixed in d1f7ceb00e8956ff6d183b7b45ef4e73c96f4c51 : update Microsoft when convenient.

Data as of 27 Oct 2026, 00:07 UTC

Severity
Medium

Rated by Threat Radar · No CVSS score from NVD or the CNA

Patch
Available – fixed in d1f7ceb00e8956ff6d183b7b45ef4e73c96f4c51, be43c36ac13d3a158791566c9fe60511022b7a15, 75372d75a4e23783583998ed99d5009d555850da +1

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 6 May 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 Linux to d1f7ceb00e8956ff6d183b7b45ef4e73c96f4c51, be43c36ac13d3a158791566c9fe60511022b7a15, 75372d75a4e23783583998ed99d5009d555850da or 02b033e18e08a1d0b53cf540196688c82af60a2f.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ ec129fa356bea5411cb16833cc5dab32689ea389, < d1f7ceb00e8956ff6d183b7b45ef4e73c96f4c51
Fixed in
  • d1f7ceb00e8956ff6d183b7b45ef4e73c96f4c51
LinuxLinuxAffected
  • ≥ ec129fa356bea5411cb16833cc5dab32689ea389, < be43c36ac13d3a158791566c9fe60511022b7a15
Fixed in
  • be43c36ac13d3a158791566c9fe60511022b7a15
LinuxLinuxAffected
  • ≥ ec129fa356bea5411cb16833cc5dab32689ea389, < 75372d75a4e23783583998ed99d5009d555850da
Fixed in
  • 75372d75a4e23783583998ed99d5009d555850da
LinuxLinuxAffected
  • ≥ ec129fa356bea5411cb16833cc5dab32689ea389, < 02b033e18e08a1d0b53cf540196688c82af60a2f
Fixed in
  • 02b033e18e08a1d0b53cf540196688c82af60a2f
LinuxLinuxAffected
  • =6.7
Fixed in–

Description

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

References

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