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CVE-2022-22736

If Firefox was installed to a world-writable directory, a local privilege escalation could occur...

7.0 HighFix available

If Firefox was installed to a world-writable directory, a local privilege escalation could occur when Firefox searched the current directory for system libraries. However the install directory is not world-writable by default.<br>This bug only affects Firefox for Windows in a non-default installation. Other operating systems are unaffected.. This vulnerability affects Firefox < 96.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
High
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.25%Down 0.6 points since Dec 23, 2022
90%50%10%1%

What each source reports

NVD Score used 7.0

If Firefox was installed to a world-writable directory, a local privilege escalation could occur when Firefox searched the current directory for system libraries. However the install directory is not world-writable by default.<br>This bug only affects Firefox for Windows in a non-default installation. Other operating systems are unaffected.. This vulnerability affects Firefox < 96.

Record
CVE-2022-22736
CVSS 3.1
7.0 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-427
Updated
2026-11-02
CVE List 7.0

If Firefox was installed to a world-writable directory, a local privilege escalation could occur when Firefox searched the current directory for system libraries. However the install directory is not world-writable by default.<br>This bug only affects Firefox for Windows in a non-default installation. Other operating systems are unaffected.. This vulnerability affects Firefox < 96.

Record
CVE-2022-22736
CVSS 3.1
7.0 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-427
Updated
2026-11-02
EUVDEUVD-2022-27879 7.0

If Firefox was installed to a world-writable directory, a local privilege escalation could occur when Firefox searched the current directory for system libraries. However the install directory is not world-writable by default.<br>This bug only affects Firefox for Windows in a non-default installation. Other operating systems are unaffected.. This vulnerability affects Firefox < 96.

Record
EUVD-2022-27879
CVSS 3.1
7.0 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-4qmj-r3wp-mpm8 7.0

If Firefox was installed to a world-writable directory, a local privilege escalation could occur...

If Firefox was installed to a world-writable directory, a local privilege escalation could occur when Firefox searched the current directory for system libraries. However the install directory is not world-writable by default.<br>This bug only affects Firefox for Windows in a non-default installation. Other operating systems are unaffected.. This vulnerability affects Firefox < 96.

Record
GHSA-4qmj-r3wp-mpm8
CVSS 3.1
7.0 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-427
Updated
2026-11-02
OSVALPINE-CVE-2022-22736 7.0

If Firefox was installed to a world-writable directory, a local privilege escalation could occur when Firefox searched the current directory for system libraries. However the install directory is not world-writable by default.<br>This bug only affects Firefox for Windows in a non-default installation. Other operating systems are unaffected.. This vulnerability affects Firefox < 96.

Record
ALPINE-CVE-2022-22736
CVSS 3.1
7.0 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-03
OSVopenSUSE-SU-2024:11732-1 No score

MozillaFirefox-96.0-1.1 on GA media

These are all security issues fixed in the MozillaFirefox-96.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11732-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:14572-1 No score

firefox-esr-128.5.1-1.1 on GA media

These are all security issues fixed in the firefox-esr-128.5.1-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:14572-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
firefox
Alpine:v3.16
 before 97.0-r0
97.0-r0
firefox
Alpine:v3.17
 before 97.0-r0
97.0-r0
firefox
Alpine:v3.18
 before 97.0-r0
97.0-r0
firefox
Alpine:v3.19
 before 97.0-r0
97.0-r0
firefox
Alpine:v3.20
 before 97.0-r0
97.0-r0
firefox
Alpine:v3.21
 before 97.0-r0
97.0-r0
firefox
Alpine:v3.22
 before 97.0-r0
97.0-r0
firefox
Alpine:v3.23
 before 97.0-r0
97.0-r0
librewolf
Alpine:v3.21
 before 97.0-r0
97.0-r0
librewolf
Alpine:v3.22
 before 97.0-r0
97.0-r0
Show 4 moreShow less
Affected packages
PackageAffectedFixed
librewolf
Alpine:v3.23
 before 97.0-r0
97.0-r0
librewolf
Alpine:v3.24
 before 97.0-r0
97.0-r0
MozillaFirefox
openSUSE:Tumbleweed
From an advisory covering 18 CVEs
 before 96.0-1.1
96.0-1.1
firefox-esr
openSUSE:Tumbleweed
From an advisory covering 1860 CVEs
 before 128.5.1-1.1
128.5.1-1.1

History

History
RecordedChangedSources
affected, facts
affected, aliases, referencesOSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-22736 is a high vulnerability (CVSS 7.0) in Mozilla Firefox, published December 22, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. Fixed in firefox 97.0-r0.

References

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