Skip to content
Noroxi
CVE-2025-22224· NVD / CVE Program· CNA vmware

VMware ESXi, and Workstation contain a TOCTOU (Time-of-Check Time-of-Use) vulnerability that leads to an out-of-bounds write.

VMware ESXi, and Workstation contain a TOCTOU (Time-of-Check Time-of-Use) vulnerability that leads to an out-of-bounds write. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host.

HighCVSS 8.2 · v3.1KEVWeaponized No fix recorded
Published
Mar 4, 2025
Updated
Jun 17, 2026
EPSS
1.6% · 74th percentile
Follow this CVE

Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.

Report tools

JSON

Action score

62

This week

Don’t wait for the next maintenance window.

CVSS
32 / 40 · 8.2 / 10
CISA KEV
30 / 30 · Listed
EPSS
0 / 30 · 1.6%

CISA SSVC decision

Exploitation
active
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
8.2
CNA · vmware
9.3
1.1 point gap

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Actively exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on Mar 4, 2025. That signals real attacks, not theory.

Remediation deadline for government agencies: Mar 25, 2025.

Affected systems

VendorProduct
vmwareesxi
vmwarecloud foundation
vmwaretelco cloud infrastructure
vmwaretelco cloud platform
vmwareworkstation

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • vmware cloud foundationall versions
  • vmware esxi7.0
  • vmware esxi8.0
  • vmware telco cloud infrastructure2.2
  • vmware telco cloud infrastructure2.5
  • vmware telco cloud infrastructure2.7
  • vmware telco cloud infrastructure3.0
  • vmware telco cloud platform2.0
  • vmware telco cloud platform2.5
  • vmware telco cloud platform2.7
  • vmware telco cloud platform3.0
  • vmware telco cloud platform4.0
  • vmware telco cloud platform4.0.1
  • vmware telco cloud platform5.0
  • vmware workstation17.0 and later · before 17.6.3

Versions reported by the vendor

Affected version ranges reported by the assigning authority (vmware). Independent of NVD's CPE analysis and usually ahead of it.

  • VMware ESXi

    • 8.0 and later · before ESXi80U3d-24585383affected
    • 8.0 and later · before ESXi80U2d-24585300affected
    • 7.0 and later · before ESXi70U3s-24585291affected

  • VMware Telco Cloud Infrastructure

    • 3.x, 2.xaffected

  • VMware Telco Cloud Platform

    • 5.x, 4.x, 3.x, 2.xaffected

  • VMware VMware Cloud Foundation

    • 5.x, 4.5.xaffected

  • VMware Workstation

    • 17.x and later · before 17.6.3affected

Same product

vmware: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-22225VMware ESXi contains an arbitrary write vulnerability.KEV
    62This week
  • CVE-2025-22226VMware ESXi, Workstation, and Fusion contain an information disclosure vulnerability due to an out-of-bounds read in HGFS.KEV
    55Plan
  • CVE-2025-41236VMXNET3 integer-overflow vulnerability
    38Monitor
  • CVE-2010-4573The Update Installer in VMware ESXi 4.1, when a modified sfcb.cfg is present, does not properly configure the SFCB authentication mode, whic
    38Monitor
  • CVE-2025-41238PVSCSI heap-overflow vulnerability
    37Monitor
  • CVE-2020-3955ESXi 6.5 without patch ESXi650-201912104-SG and ESXi 6.7 without patch ESXi670-202004103-SG do not properly neutralize script-related HTML w
    37Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. CISA KEVsame day
  2. Published
  3. TodaySep 29, 2026+575 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • Administrator privileges are required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Local
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Changed
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records