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HomeCVEsCVE-2026-20931

CVE-2026-20931

Published: January 25, 2026
Last updated:18 hours ago (January 25, 2026)
Exploit: NoZero-day: NoPatch: YesTrend: Neutral
TL;DR
Updated January 25, 2026

CVE-2026-20931 is a high severity vulnerability with a CVSS score of 8.0. No known exploits currently, and patches are available.

Key Points
  • 1High severity (CVSS 8.0/10)
  • 2EPSS: 1.00% - moderate likelihood of exploitation
  • 3No known public exploits
  • 4Vendor patches are available
  • 5Strobes Priority Score: 584/1000 (Medium)
  • 6Affects products from: Microsoft
Severity Scores
CVSS v38.0
CVSS v20.0
Priority Score584.0
EPSS Score1.0
High
Exploitation LikelihoodLow
1.00%EPSS

Lower probability of exploitation

Patch during regular maintenance
1.00%
EPSS
8.0
CVSS
No
Exploit
Yes
Patch
Low Priority
no major risk factors

EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.

Description

External control of file name or path in Windows Telephony Service allows an authorized attacker to elevate privileges over an adjacent network.

CVSS v3 Breakdown
Attack Vector:Adjacent
Attack Complexity:Local
Privileges Required:Local
User Interaction:Network
Scope:Unchanged
Confidentiality:High
Integrity:High
Availability:High
Patch References
[email protected]
Trend Analysis
Neutral
Vulnerable Products
VendorProduct
MicrosoftWindows Server 2008
MicrosoftWindows Server 2025
MicrosoftWindows Server 2012
MicrosoftWindows 10 1607
MicrosoftWindows Server 2022 23h2
MicrosoftWindows 10 21h2
MicrosoftWindows 11 23h2
MicrosoftWindows Server 2019
MicrosoftWindows 10 1809
MicrosoftWindows 11 24h2

And 4 more...

Advisories
GitHub Advisory
NVD: External control of file name or path in Windows Telephony Service allows an authorized attacker to elevate privileges over an adjacent network.
Cite This Page
APA Format
Strobes VI. (2026). CVE-2026-20931 - CVE Details and Analysis. Strobes VI. Retrieved January 26, 2026, from https://vi.strobes.co/cve/CVE-2026-20931
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