CVE Tools

CVE-2021-26444

No known exploitation. EPSS puts it in the 75th percentile. Fixed in 6.1.9.

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Published Updated Sources: CVE.org, NVD, BDU

What to do

Find your product and version, then upgrade to the build on the right.

  • Microsoft Azure Real Time Operating SystemAffected: ≥ 6.0.0, < 6.1.9Upgrade to: 6.1.9Stated by: CVE record
  • Microsoft Corp Azure RTOSAffected: до 6.1.9Upgrade to: not statedStated by: BDU

Versions as the sources state them. Full version matrix after sign-in

What it is

From the CVE record

Azure RTOS Information Disclosure Vulnerability

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS75th
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

1.6% chance of exploitation activity in the next 30 days, which ranks it in the 75th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

6 events over 1743 days, from the signal feeds we watch.

  1. Patch availablerecord updated
  2. Patch availablerecord updated
  3. Publishedweakness classified

Affected products

And 1 more affected product. See all after sign-in

Technical detail

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Scored 3.3 by NVD.

How it is reached

  • Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction RequiredA user must click a link, open a file, or perform some action

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality LowSome restricted information is disclosed, but limited in scope
  • Integrity NoneNo integrity impact
  • Availability NoneNo availability impact

Weaknesses

Sources

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