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Medium severity · published Jul 14, 2026
CVE-2026-57083
Windows Media Photo Codec Information Disclosure Vulnerability
5.5
CVSS
0.5%
EPSS
No
On KEV
Description
Use of uninitialized resource in Microsoft Windows Codecs Library allows an unauthorized attacker to disclose information locally.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Microsoft Office 365 for Mac · Microsoft
1.0.0 before 16.112.26090911 · source: vendor
MO
Microsoft Office LTSC for Mac 2021 · Microsoft
16.0.1 before 16.112.26090911 · source: vendor
MO
Microsoft Office LTSC for Mac 2024 · Microsoft
16.0.0 before 16.112.26090911 · source: vendor
MO
Microsoft Office for Android · Microsoft
16.0.1 before 16.0.20430.20000 · source: vendor
W1
Windows 10 1607 · Microsoft
before 10.0.14393.9339; before 10.0.14393.9339 · source: NVD
W1
Windows 10 1809 · Microsoft
before 10.0.17763.9020; before 10.0.17763.9020 · source: NVD
W1
Windows 10 21h2 · Microsoft
before 10.0.19044.7548; before 10.0.19044.7548; before 10.0.19044.7548 · source: NVD
W1
Windows 10 22h2 · Microsoft
before 10.0.19045.7548; before 10.0.19045.7548; before 10.0.19045.7548 · source: NVD
W1
Windows 11 24h2 · Microsoft
before 10.0.26100.8875; before 10.0.26100.8875 · source: NVD
W1
Windows 11 25h2 · Microsoft
before 10.0.26200.8875; before 10.0.26200.8875 · source: NVD
W1
Windows 11 26h1 · Microsoft
before 10.0.28000.2269; before 10.0.28000.2269 · source: NVD
WS
Windows Server 2012 · Microsoft
r2 · source: NVD
Affected product
MO
Microsoft Office 365 for Mac
Microsoft
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-57083
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-57083
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57083
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